<PAGE> PAGE 1
000 A000000 04/30/97
000 C000000 356865
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 U
001 A000000 OPPENHEIMER SERIES FUND, INC.
001 B000000 811-3346
001 C000000 2123230200
002 A000000 TWO WORLD TRADE CENTER
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10048
002 D020000 0203
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 5
007 C010100 1
007 C010200 2
007 C010300 3
007 C010400 4
007 C020400 DISCIPLINED ALLOCATION FUND
007 C030400 N
007 C010500 5
007 C020500 DISCIPLINED VALUE FUND
007 C030500 N
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
007 C011100 11
007 C021100 LIFESPAN INCOME FUND
007 C031100 N
007 C011200 12
007 C021200 LIFESPAN BALANCED FUND
007 C031200 N
007 C011300 13
007 C021300 LIFESPAN GROWTH FUND
007 C031300 N
007 C011400 14
007 C011500 15
007 C011600 16
007 C011700 17
007 C011800 18
<PAGE> PAGE 2
007 C011900 19
007 C012000 20
008 A00AA01 OPPENHEIMERFUNDS, INC.
008 B00AA01 A
008 C00AA01 801-8253
008 D01AA01 NEW YORK
008 D02AA01 NY
008 D03AA01 10048
008 D04AA01 0203
008 A00AA02 PILGRIM BAXTER & ASSOCIATES, LTD.
008 B00AA02 S
008 C00AA02 801-48872
008 D01AA02 WAYNE
008 D02AA02 PA
008 D03AA02 19087
008 A00AA03 BEA ASSOCIATES
008 B00AA03 S
008 C00AA03 801-37170
008 D01AA03 NEW YORK
008 D02AA03 NY
008 D03AA03 10020
011 A00AA01 OPPENHEIMERFUNDS DISTRIBUTOR, INC.
011 B00AA01 8-22992
011 C01AA01 NEW YORK
011 C02AA01 NY
011 C03AA01 10048
011 C04AA01 0203
012 A00AA01 OPPENHEIMERFUNDS SERVICES
012 B00AA01 84-1562
012 C01AA01 DENVER
012 C02AA01 CO
012 C03AA01 80217
018 00AA00 Y
019 A00AA00 Y
019 B00AA00 49
019 C00AA00 OPPENHEIMR
020 A000001 MERRILL LYNCH, PIERCE, FENNER, & SMITH, INC.
020 B000001 13-5674085
020 C000001 77
020 A000002 BEAR SECURITIES CORP.
020 B000002 13-3299429
020 C000002 58
020 A000003 AUTRANET, INC.
020 B000003 13-2961507
020 C000003 30
020 A000004 PAINEWEBBER, INC.
020 B000004 13-2638166
020 C000004 29
020 A000005 GOLDMAN, SACHS & CO.
020 B000005 13-5108880
020 C000005 19
<PAGE> PAGE 3
020 A000006 BERNSTEIN (SANFORD C.) & CO., INC.
020 B000006 13-2625874
020 C000006 17
020 A000007 MORGAN (J.P.) SECURITIES, INC.
020 B000007 13-3224016
020 C000007 16
020 A000008 SALOMON BROTHERS, INC.
020 B000008 13-3082694
020 C000008 15
020 A000009 SMITH BARNEY, HARRIS UPHAM & CO., INC.
020 B000009 13-3371860
020 C000009 15
020 A000010 HOWARD, WEIL, LABOUISSE, FREDRICHS, INC.
020 B000010 72-0696314
020 C000010 14
021 000000 524
022 A000001 MERRILL LYNCH, PIERCE, FENNER, & SMITH, INC.
022 B000001 13-5674085
022 C000001 29466
022 D000001 22598
022 A000002 BEAR STEARNS SECURITIES CORP.
022 B000002 13-3299429
022 C000002 29254
022 D000002 12616
022 A000003 PAINEWEBBER, INC.
022 B000003 13-2638166
022 C000003 9119
022 D000003 12976
022 A000004 AUTRANET, INC.
022 B000004 13-2961507
022 C000004 4337
022 D000004 15204
022 A000005 SALOMON BROTHERS, INC
022 B000005 13-3082694
022 C000005 10921
022 D000005 205
022 A000006 SMITH BARNEY, HARRIS UPHAM, & CO., INC.
022 B000006 13-3371860
022 C000006 6840
022 D000006 3412
022 A000007 GOLDMAN, SACHS & CO.
022 B000007 13-5108880
022 C000007 5808
022 D000007 4163
022 A000008 BERNSTEIN (SANFORD C.) & CO., INC.
022 B000008 13-2625874
022 C000008 3354
022 D000008 6063
022 A000009 SOUNDVIEW FINANCIAL GROUP, INC.
022 B000009 13-2998183
022 C000009 5575
<PAGE> PAGE 4
022 D000009 3181
022 A000010 NEUBERGER & BERMAN
022 B000010 13-5521910
022 C000010 2803
022 D000010 5179
023 C000000 196053
023 D000000 140989
025 D00AA01 0
025 D00AA02 0
025 D00AA03 0
025 D00AA04 0
025 D00AA05 0
025 D00AA06 0
025 D00AA07 0
025 D00AA08 0
027 000000 Y
077 A000000 N
078 000000 N
028 A010400 1383
028 A020400 0
028 A030400 0
028 A040400 4009
028 B010400 2106
028 B020400 22515
028 B030400 0
028 B040400 2925
028 C010400 2106
028 C020400 -10
028 C030400 0
028 C040400 4314
028 D010400 2076
028 D020400 0
028 D030400 0
028 D040400 6299
028 E010400 2990
028 E020400 2127
028 E030400 0
028 E040400 4567
028 F010400 3075
028 F020400 -1
028 F030400 0
028 F040400 6806
028 G010400 13736
028 G020400 24631
028 G030400 0
028 G040400 28920
028 H000400 8571
029 000400 Y
030 A000400 265
030 B000400 5.75
030 C000400 0.00
<PAGE> PAGE 5
031 A000400 265
031 B000400 0
032 000400 0
033 000400 0
034 000400 Y
035 000400 5
036 A000400 Y
036 B000400 0
042 A000400 0
042 B000400 0
042 C000400 0
042 D000400 100
042 E000400 0
042 F000400 0
042 G000400 0
042 H000400 0
043 000400 318
044 000400 0
055 A000400 N
055 B000400 N
056 000400 N
057 000400 N
062 A000400 N
062 B000400 0.0
062 C000400 0.0
062 D000400 0.0
062 E000400 0.0
062 F000400 0.0
062 G000400 0.0
062 H000400 0.0
062 I000400 0.0
062 J000400 0.0
062 K000400 0.0
062 L000400 0.0
062 M000400 0.0
062 N000400 0.0
062 O000400 0.0
062 P000400 0.0
062 Q000400 0.0
062 R000400 0.0
063 A000400 0
063 B000400 0.0
070 A010400 Y
070 A020400 N
070 B010400 Y
070 B020400 N
070 C010400 Y
070 C020400 N
070 D010400 Y
070 D020400 N
070 E010400 Y
<PAGE> PAGE 6
070 E020400 N
070 F010400 Y
070 F020400 N
070 G010400 Y
070 G020400 N
070 H010400 Y
070 H020400 N
070 I010400 N
070 I020400 N
070 J010400 Y
070 J020400 Y
070 K010400 N
070 K020400 N
070 L010400 Y
070 L020400 Y
070 M010400 Y
070 M020400 N
070 N010400 Y
070 N020400 N
070 O010400 N
070 O020400 N
070 P010400 N
070 P020400 N
070 Q010400 N
070 Q020400 N
070 R010400 N
070 R020400 N
071 A000400 110252
071 B000400 80435
071 C000400 209137
071 D000400 38
072 A000400 6
072 B000400 4572
072 C000400 865
072 D000400 0
072 E000400 0
072 F000400 742
072 G000400 0
072 H000400 0
072 I000400 111
072 J000400 3
072 K000400 21
072 L000400 28
072 M000400 37
072 N000400 1
072 O000400 0
072 P000400 0
072 Q000400 0
072 R000400 8
072 S000400 13
072 T000400 318
<PAGE> PAGE 7
072 U000400 0
072 V000400 0
072 W000400 15
072 X000400 1297
072 Y000400 0
072 Z000400 4140
072AA000400 9109
072BB000400 1812
072CC010400 1946
072CC020400 0
072DD010400 4620
072DD020400 83
072EE000400 20273
073 A010400 0.3133
073 A020400 0.2609
073 B000400 1.3871
073 C000400 0.0000
074 A000400 0
074 B000400 0
074 C000400 14400
074 D000400 100968
074 E000400 0
074 F000400 119798
074 G000400 0
074 H000400 0
074 I000400 0
074 J000400 5540
074 K000400 0
074 L000400 2284
074 M000400 10
074 N000400 243000
074 O000400 7036
074 P000400 63
074 Q000400 0
074 R010400 0
074 R020400 0
074 R030400 0
074 R040400 657
074 S000400 0
074 T000400 235244
074 U010400 15043
074 U020400 380
074 V010400 15.19
074 V020400 15.35
074 W000400 0.0000
074 X000400 13414
074 Y000400 2638
075 A000400 0
075 B000400 239515
076 000400 0.00
028 A010500 4416
<PAGE> PAGE 8
028 A020500 0
028 A030500 0
028 A040500 1867
028 B010500 6159
028 B020500 13935
028 B030500 0
028 B040500 9223
028 C010500 8119
028 C020500 -4
028 C030500 0
028 C040500 3673
028 D010500 13122
028 D020500 2
028 D030500 0
028 D040500 1631
028 E010500 10143
028 E020500 3
028 E030500 0
028 E040500 2821
028 F010500 66495
028 F020500 0
028 F030500 0
028 F040500 70033
028 G010500 108454
028 G020500 13936
028 G030500 0
028 G040500 89248
028 H000500 31559
029 000500 Y
030 A000500 351
030 B000500 5.75
030 C000500 0.00
031 A000500 284
031 B000500 0
032 000500 67
033 000500 0
034 000500 Y
035 000500 8
036 A000500 N
036 B000500 0
042 A000500 0
042 B000500 0
042 C000500 0
042 D000500 100
042 E000500 0
042 F000500 0
042 G000500 0
042 H000500 0
043 000500 234
044 000500 0
055 A000500 N
<PAGE> PAGE 9
055 B000500 N
056 000500 N
057 000500 N
062 A000500 N
062 B000500 0.0
062 C000500 0.0
062 D000500 0.0
062 E000500 0.0
062 F000500 0.0
062 G000500 0.0
062 H000500 0.0
062 I000500 0.0
062 J000500 0.0
062 K000500 0.0
062 L000500 0.0
062 M000500 0.0
062 N000500 0.0
062 O000500 0.0
062 P000500 0.0
062 Q000500 0.0
062 R000500 0.0
070 A010500 Y
070 A020500 N
070 B010500 Y
070 B020500 N
070 C010500 Y
070 C020500 N
070 D010500 Y
070 D020500 N
070 E010500 Y
070 E020500 N
070 F010500 Y
070 F020500 N
070 G010500 Y
070 G020500 N
070 H010500 Y
070 H020500 N
070 I010500 N
070 I020500 N
070 J010500 Y
070 J020500 N
070 K010500 N
070 K020500 N
070 L010500 Y
070 L020500 N
070 M010500 N
070 M020500 N
070 N010500 Y
070 N020500 N
070 O010500 N
070 O020500 N
<PAGE> PAGE 10
070 P010500 N
070 P020500 N
070 Q010500 N
070 Q020500 N
070 R010500 N
070 R020500 N
071 A000500 120315
071 B000500 93417
071 C000500 184168
071 D000500 51
072 A000500 6
072 B000500 1496
072 C000500 765
072 D000500 0
072 E000500 0
072 F000500 653
072 G000500 0
072 H000500 0
072 I000500 95
072 J000500 0
072 K000500 16
072 L000500 34
072 M000500 31
072 N000500 21
072 O000500 0
072 P000500 0
072 Q000500 0
072 R000500 7
072 S000500 12
072 T000500 234
072 U000500 0
072 V000500 0
072 W000500 6
072 X000500 1109
072 Y000500 0
072 Z000500 1152
072AA000500 21417
072BB000500 2419
072CC010500 0
072CC020500 265
072DD010500 642
072DD020500 13
072EE000500 13433
073 A010500 0.0706
073 A020500 0.0359
073 B000500 1.4129
073 C000500 0.0000
074 A000500 46
074 B000500 0
074 C000500 18800
074 D000500 0
<PAGE> PAGE 11
074 E000500 0
074 F000500 206201
074 G000500 0
074 H000500 0
074 I000500 0
074 J000500 11678
074 K000500 0
074 L000500 855
074 M000500 7
074 N000500 237587
074 O000500 10847
074 P000500 41
074 Q000500 0
074 R010500 0
074 R020500 0
074 R030500 0
074 R040500 408
074 S000500 0
074 T000500 226291
074 U010500 7318
074 U020500 646
074 V010500 20.22
074 V020500 20.29
074 W000500 0.0000
074 X000500 10659
074 Y000500 0
075 A000500 0
075 B000500 214499
076 000500 0.00
028 A011100 99
028 A021100 0
028 A031100 0
028 A041100 18
028 B011100 82
028 B021100 111
028 B031100 0
028 B041100 27
028 C011100 148
028 C021100 499
028 C031100 0
028 C041100 89
028 D011100 95
028 D021100 120
028 D031100 0
028 D041100 40
028 E011100 48
028 E021100 126
028 E031100 0
028 E041100 66
028 F011100 95
028 F021100 253
<PAGE> PAGE 12
028 F031100 0
028 F041100 52
028 G011100 567
028 G021100 1109
028 G031100 0
028 G041100 292
028 H001100 152
029 001100 Y
030 A001100 7
030 B001100 5.75
030 C001100 0.00
031 A001100 7
031 B001100 0
032 001100 0
033 001100 0
034 001100 Y
035 001100 0
036 A001100 N
036 B001100 0
042 A001100 0
042 B001100 0
042 C001100 0
042 D001100 100
042 E001100 0
042 F001100 0
042 G001100 0
042 H001100 0
043 001100 36
044 001100 0
055 A001100 N
055 B001100 N
056 001100 N
057 001100 N
062 A001100 Y
062 B001100 0.0
062 C001100 0.0
062 D001100 6.3
062 E001100 0.0
062 F001100 0.0
062 G001100 0.0
062 H001100 0.0
062 I001100 0.0
062 J001100 0.0
062 K001100 0.0
062 L001100 0.0
062 M001100 9.0
062 N001100 8.0
062 O001100 0.0
062 P001100 48.1
062 Q001100 3.4
062 R001100 23.6
<PAGE> PAGE 13
063 A001100 0
063 B001100 5.1
064 A001100 Y
064 B001100 Y
065 001100 N
070 A011100 Y
070 A021100 Y
070 B011100 Y
070 B021100 N
070 C011100 Y
070 C021100 N
070 D011100 Y
070 D021100 N
070 E011100 Y
070 E021100 N
070 F011100 Y
070 F021100 N
070 G011100 Y
070 G021100 N
070 H011100 Y
070 H021100 N
070 I011100 N
070 I021100 N
070 J011100 Y
070 J021100 Y
070 K011100 N
070 K021100 N
070 L011100 Y
070 L021100 Y
070 M011100 Y
070 M021100 N
070 N011100 Y
070 N021100 N
070 O011100 N
070 O021100 N
070 P011100 N
070 P021100 N
070 Q011100 N
070 Q021100 N
070 R011100 N
070 R021100 N
071 A001100 5666
071 B001100 4823
071 C001100 25430
071 D001100 19
072 A001100 6
072 B001100 842
072 C001100 121
072 D001100 0
072 E001100 0
072 F001100 102
<PAGE> PAGE 14
072 G001100 0
072 H001100 0
072 I001100 1
072 J001100 0
072 K001100 9
072 L001100 6
072 M001100 17
072 N001100 1
072 O001100 0
072 P001100 0
072 Q001100 0
072 R001100 8
072 S001100 11
072 T001100 36
072 U001100 0
072 V001100 0
072 W001100 6
072 X001100 197
072 Y001100 0
072 Z001100 766
072AA001100 337
072BB001100 142
072CC011100 9
072CC021100 0
072DD011100 751
072DD021100 14
072EE001100 389
073 A011100 0.2972
073 A021100 0.2567
073 B001100 0.1533
073 C001100 0.0000
074 A001100 200
074 B001100 1753
074 C001100 0
074 D001100 19154
074 E001100 210
074 F001100 6422
074 G001100 0
074 H001100 0
074 I001100 2
074 J001100 0
074 K001100 0
074 L001100 435
074 M001100 4
074 N001100 28178
074 O001100 108
074 P001100 18
074 Q001100 0
074 R011100 0
074 R021100 0
074 R031100 0
<PAGE> PAGE 15
074 R041100 68
074 S001100 0
074 T001100 27984
074 U011100 2577
074 U021100 64
074 V011100 10.58
074 V021100 10.62
074 W001100 0.0000
074 X001100 163
074 Y001100 1125
075 A001100 0
075 B001100 27522
076 001100 0.00
028 A011200 356
028 A021200 0
028 A031200 0
028 A041200 137
028 B011200 1361
028 B021200 1947
028 B031200 0
028 B041200 323
028 C011200 1197
028 C021200 0
028 C031200 0
028 C041200 100
028 D011200 3023
028 D021200 0
028 D031200 0
028 D041200 1945
028 E011200 999
028 E021200 396
028 E031200 0
028 E041200 569
028 F011200 951
028 F021200 -1
028 F031200 0
028 F041200 712
028 G011200 7887
028 G021200 2342
028 G031200 0
028 G041200 3786
028 H001200 4756
029 001200 Y
030 A001200 61
030 B001200 5.75
030 C001200 0.00
031 A001200 57
031 B001200 0
032 001200 4
033 001200 0
034 001200 Y
<PAGE> PAGE 16
035 001200 0
036 A001200 N
036 B001200 0
042 A001200 0
042 B001200 0
042 C001200 0
042 D001200 100
042 E001200 0
042 F001200 0
042 G001200 0
042 H001200 0
043 001200 86
044 001200 0
055 A001200 N
055 B001200 N
056 001200 N
057 001200 N
062 A001200 N
062 B001200 0.0
062 C001200 0.0
062 D001200 0.0
062 E001200 0.0
062 F001200 0.0
062 G001200 0.0
062 H001200 0.0
062 I001200 0.0
062 J001200 0.0
062 K001200 0.0
062 L001200 0.0
062 M001200 0.0
062 N001200 0.0
062 O001200 0.0
062 P001200 0.0
062 Q001200 0.0
062 R001200 0.0
070 A011200 Y
070 A021200 Y
070 B011200 Y
070 B021200 N
070 C011200 Y
070 C021200 N
070 D011200 Y
070 D021200 N
070 E011200 Y
070 E021200 N
070 F011200 Y
070 F021200 N
070 G011200 Y
070 G021200 N
070 H011200 Y
070 H021200 N
<PAGE> PAGE 17
070 I011200 N
070 I021200 N
070 J011200 Y
070 J021200 Y
070 K011200 Y
070 K021200 Y
070 L011200 Y
070 L021200 Y
070 M011200 Y
070 M021200 Y
070 N011200 Y
070 N021200 N
070 O011200 N
070 O021200 N
070 P011200 N
070 P021200 N
070 Q011200 N
070 Q021200 N
070 R011200 N
070 R021200 N
071 A001200 20483
071 B001200 14441
071 C001200 53570
071 D001200 27
072 A001200 6
072 B001200 1050
072 C001200 263
072 D001200 0
072 E001200 0
072 F001200 244
072 G001200 0
072 H001200 0
072 I001200 7
072 J001200 5
072 K001200 9
072 L001200 15
072 M001200 15
072 N001200 2
072 O001200 0
072 P001200 0
072 Q001200 0
072 R001200 5
072 S001200 12
072 T001200 86
072 U001200 0
072 V001200 0
072 W001200 9
072 X001200 409
072 Y001200 0
072 Z001200 904
072AA001200 2384
<PAGE> PAGE 18
072BB001200 1345
072CC011200 0
072CC021200 1860
072DD011200 785
072DD021200 34
072EE001200 1525
073 A011200 0.1723
073 A021200 0.1364
073 B001200 0.3240
073 C001200 0.0000
074 A001200 0
074 B001200 3572
074 C001200 0
074 D001200 21737
074 E001200 285
074 F001200 33362
074 G001200 0
074 H001200 0
074 I001200 20
074 J001200 297
074 K001200 0
074 L001200 509
074 M001200 4
074 N001200 59786
074 O001200 530
074 P001200 18
074 Q001200 0
074 R011200 0
074 R021200 0
074 R031200 0
074 R041200 241
074 S001200 0
074 T001200 58997
074 U011200 4786
074 U021200 284
074 V011200 11.46
074 V021200 11.53
074 W001200 0.0000
074 X001200 763
074 Y001200 796
075 A001200 0
075 B001200 57885
076 001200 0.00
028 A011300 1018
028 A021300 0
028 A031300 0
028 A041300 268
028 B011300 690
028 B021300 2588
028 B031300 0
028 B041300 330
<PAGE> PAGE 19
028 C011300 1645
028 C021300 2
028 C031300 0
028 C041300 155
028 D011300 765
028 D021300 0
028 D031300 0
028 D041300 187
028 E011300 1097
028 E021300 0
028 E031300 0
028 E041300 515
028 F011300 1309
028 F021300 0
028 F031300 0
028 F041300 289
028 G011300 6524
028 G021300 2590
028 G031300 0
028 G041300 1744
028 H001300 2939
029 001300 Y
030 A001300 75
030 B001300 5.75
030 C001300 0.00
031 A001300 75
031 B001300 0
032 001300 0
033 001300 0
034 001300 Y
035 001300 2
036 A001300 N
036 B001300 0
042 A001300 0
042 B001300 0
042 C001300 0
042 D001300 100
042 E001300 0
042 F001300 0
042 G001300 0
042 H001300 0
043 001300 74
044 001300 0
055 A001300 N
055 B001300 N
056 001300 N
057 001300 N
062 A001300 N
062 B001300 0.0
062 C001300 0.0
062 D001300 0.0
<PAGE> PAGE 20
062 E001300 0.0
062 F001300 0.0
062 G001300 0.0
062 H001300 0.0
062 I001300 0.0
062 J001300 0.0
062 K001300 0.0
062 L001300 0.0
062 M001300 0.0
062 N001300 0.0
062 O001300 0.0
062 P001300 0.0
062 Q001300 0.0
062 R001300 0.0
070 A011300 Y
070 A021300 Y
070 B011300 Y
070 B021300 N
070 C011300 Y
070 C021300 N
070 D011300 Y
070 D021300 N
070 E011300 Y
070 E021300 N
070 F011300 Y
070 F021300 N
070 G011300 Y
070 G021300 N
070 H011300 Y
070 H021300 N
070 I011300 N
070 I021300 N
070 J011300 Y
070 J021300 Y
070 K011300 Y
070 K021300 Y
070 L011300 Y
070 L021300 Y
070 M011300 Y
070 M021300 N
070 N011300 Y
070 N021300 N
070 O011300 N
070 O021300 N
070 P011300 N
070 P021300 N
070 Q011300 N
070 Q021300 N
070 R011300 N
070 R021300 N
071 A001300 18801
<PAGE> PAGE 21
071 B001300 13331
071 C001300 44178
071 D001300 30
072 A001300 6
072 B001300 561
072 C001300 281
072 D001300 0
072 E001300 0
072 F001300 207
072 G001300 0
072 H001300 0
072 I001300 15
072 J001300 0
072 K001300 9
072 L001300 17
072 M001300 18
072 N001300 2
072 O001300 0
072 P001300 0
072 Q001300 0
072 R001300 8
072 S001300 10
072 T001300 74
072 U001300 0
072 V001300 0
072 W001300 6
072 X001300 366
072 Y001300 0
072 Z001300 476
072AA001300 2502
072BB001300 1366
072CC011300 0
072CC021300 1904
072DD011300 280
072DD021300 12
072EE001300 2304
073 A011300 0.0800
073 A021300 0.0567
073 B001300 0.6186
073 C001300 0.0000
074 A001300 182
074 B001300 4630
074 C001300 0
074 D001300 9635
074 E001300 235
074 F001300 36375
074 G001300 0
074 H001300 0
074 I001300 11
074 J001300 383
074 K001300 0
<PAGE> PAGE 22
074 L001300 316
074 M001300 4
074 N001300 51771
074 O001300 710
074 P001300 19
074 Q001300 0
074 R011300 0
074 R021300 0
074 R031300 0
074 R041300 35
074 S001300 0
074 T001300 51007
074 U011300 3857
074 U021300 312
074 V011300 12.05
074 V021300 12.05
074 W001300 0.0000
074 X001300 1488
074 Y001300 637
075 A001300 0
075 B001300 57885
076 001300 0.00
SIGNATURE GEORGE C. BOWEN
TITLE TREASURER
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 356865
<NAME> Oppenheimer Disciplined Allocation - A Shares
<SERIES>
<NUMBER> 4
<NAME> Oppenheimer Series Fund, Inc.
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-1997
<PERIOD-START> NOV-01-1996
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 219,324,171
<INVESTMENTS-AT-VALUE> 235,166,598
<RECEIVABLES> 7,824,229
<ASSETS-OTHER> 9,640
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 243,000,467
<PAYABLE-FOR-SECURITIES> 7,036,421
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 719,565
<TOTAL-LIABILITIES> 7,755,986
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 211,294,519
<SHARES-COMMON-STOCK> 15,042,955
<SHARES-COMMON-PRIOR> 14,577,178
<ACCUMULATED-NII-CURRENT> 954,466
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 7,153,069
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 15,842,427
<NET-ASSETS> 228,545,344
<DIVIDEND-INCOME> 864,759
<INTEREST-INCOME> 4,572,057
<OTHER-INCOME> 0
<EXPENSES-NET> 1,296,781
<NET-INVESTMENT-INCOME> 4,140,035
<REALIZED-GAINS-CURRENT> 7,297,413
<APPREC-INCREASE-CURRENT> 1,946,451
<NET-CHANGE-FROM-OPS> 13,383,899
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 4,619,569
<DISTRIBUTIONS-OF-GAINS> 19,862,943
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 722,893
<NUMBER-OF-SHARES-REDEEMED> 1,862,103
<SHARES-REINVESTED> 1,604,987
<NET-CHANGE-IN-ASSETS> (2,151,859)
<ACCUMULATED-NII-PRIOR> 1,524,191
<ACCUMULATED-GAINS-PRIOR> 20,128,897
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 741,658
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,296,781
<AVERAGE-NET-ASSETS> 234,131,780
<PER-SHARE-NAV-BEGIN> 16.00
<PER-SHARE-NII> 0.27
<PER-SHARE-GAIN-APPREC> 0.62
<PER-SHARE-DIVIDEND> 0.31
<PER-SHARE-DISTRIBUTIONS> 1.39
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 15.19
<EXPENSE-RATIO> 1.07
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0.00
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 356865
<NAME> OPPENHEIMER DISCIPLINED ALLOCATION FUND - B
<SERIES>
<NUMBER> 4
<NAME> OPPENHEIMER SERIES FUND, INC.
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-1997
<PERIOD-START> NOV-01-1996
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 219,324,171
<INVESTMENTS-AT-VALUE> 235,166,598
<RECEIVABLES> 7,824,229
<ASSETS-OTHER> 9,640
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 243,000,467
<PAYABLE-FOR-SECURITIES> 7,036,421
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 719,565
<TOTAL-LIABILITIES> 7,755,986
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 211,294,519
<SHARES-COMMON-STOCK> 379,850
<SHARES-COMMON-PRIOR> 242,457
<ACCUMULATED-NII-CURRENT> 954,466
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 7,153,069
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 15,842,427
<NET-ASSETS> 5,832,465
<DIVIDEND-INCOME> 864,759
<INTEREST-INCOME> 4,572,057
<OTHER-INCOME> 0
<EXPENSES-NET> 1,296,781
<NET-INVESTMENT-INCOME> 4,140,035
<REALIZED-GAINS-CURRENT> 7,297,413
<APPREC-INCREASE-CURRENT> 1,946,451
<NET-CHANGE-FROM-OPS> 13,383,899
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 82,991
<DISTRIBUTIONS-OF-GAINS> 389,052
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 121,828
<NUMBER-OF-SHARES-REDEEMED> 15,205
<SHARES-REINVESTED> 30,770
<NET-CHANGE-IN-ASSETS> (2,151,859)
<ACCUMULATED-NII-PRIOR> 1,524,191
<ACCUMULATED-GAINS-PRIOR> 20,128,897
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 741,658
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,296,781
<AVERAGE-NET-ASSETS> 4,963,442
<PER-SHARE-NAV-BEGIN> 16.16
<PER-SHARE-NII> 0.21
<PER-SHARE-GAIN-APPREC> 0.63
<PER-SHARE-DIVIDEND> 0.26
<PER-SHARE-DISTRIBUTIONS> 1.39
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 15.35
<EXPENSE-RATIO> 1.85
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0.00
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 356865
<NAME> OPPENHEIMER DISCIPLINED ALLOCATION FUND - C
<SERIES>
<NUMBER> 4
<NAME> OPPENHEIMER SERIES FUND, INC.
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-1997
<PERIOD-START> NOV-01-1996
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 219,324,171
<INVESTMENTS-AT-VALUE> 235,166,598
<RECEIVABLES> 7,824,229
<ASSETS-OTHER> 9,640
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 243,000,467
<PAYABLE-FOR-SECURITIES> 7,036,421
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 719,565
<TOTAL-LIABILITIES> 7,755,986
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 211,294,519
<SHARES-COMMON-STOCK> 57,390
<SHARES-COMMON-PRIOR> 11,803
<ACCUMULATED-NII-CURRENT> 954,466
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 7,153,069
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 15,842,427
<NET-ASSETS> 866,672
<DIVIDEND-INCOME> 864,759
<INTEREST-INCOME> 4,572,057
<OTHER-INCOME> 0
<EXPENSES-NET> 1,296,781
<NET-INVESTMENT-INCOME> 4,140,035
<REALIZED-GAINS-CURRENT> 7,297,413
<APPREC-INCREASE-CURRENT> 1,946,451
<NET-CHANGE-FROM-OPS> 13,383,899
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 7,200
<DISTRIBUTIONS-OF-GAINS> 21,246
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 44,742
<NUMBER-OF-SHARES-REDEEMED> 1,009
<SHARES-REINVESTED> 1,854
<NET-CHANGE-IN-ASSETS> (2,151,859)
<ACCUMULATED-NII-PRIOR> 1,524,191
<ACCUMULATED-GAINS-PRIOR> 20,128,897
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 741,658
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,296,781
<AVERAGE-NET-ASSETS> 420,079
<PER-SHARE-NAV-BEGIN> 15.93
<PER-SHARE-NII> 0.28
<PER-SHARE-GAIN-APPREC> 0.55
<PER-SHARE-DIVIDEND> 0.27
<PER-SHARE-DISTRIBUTIONS> 1.39
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 15.10
<EXPENSE-RATIO> 1.93
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0.00
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 356865
<NAME> OPPENHEIMER LIFESPAN INCOME FUND-A
<SERIES>
<NUMBER> 11
<NAME> Oppenheimer Series Fund, Inc.
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-1997
<PERIOD-START> NOV-01-1996
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 26,513,217
<INVESTMENTS-AT-VALUE> 27,540,136
<RECEIVABLES> 434,727
<ASSETS-OTHER> 3,668
<OTHER-ITEMS-ASSETS> 199,523
<TOTAL-ASSETS> 28,178,054
<PAYABLE-FOR-SECURITIES> 108,140
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 85,989
<TOTAL-LIABILITIES> 194,129
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 26,781,086
<SHARES-COMMON-STOCK> 2,577,422
<SHARES-COMMON-PRIOR> 2,471,146
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 175,920
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1,026,919
<NET-ASSETS> 27,279,118
<DIVIDEND-INCOME> 121,021
<INTEREST-INCOME> 841,530
<OTHER-INCOME> 0
<EXPENSES-NET> 197,009
<NET-INVESTMENT-INCOME> 765,542
<REALIZED-GAINS-CURRENT> 194,614
<APPREC-INCREASE-CURRENT> 9,184
<NET-CHANGE-FROM-OPS> 969,340
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 751,100
<DISTRIBUTIONS-OF-GAINS> 381,291
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 29,800
<NUMBER-OF-SHARES-REDEEMED> 25,858
<SHARES-REINVESTED> 102,334
<NET-CHANGE-IN-ASSETS> 1,199,310
<ACCUMULATED-NII-PRIOR> 11
<ACCUMULATED-GAINS-PRIOR> 370,133
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 102,237
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 197,009
<AVERAGE-NET-ASSETS> 26,923,421
<PER-SHARE-NAV-BEGIN> 10.65
<PER-SHARE-NII> 0.30
<PER-SHARE-GAIN-APPREC> 0.08
<PER-SHARE-DIVIDEND> 0.30
<PER-SHARE-DISTRIBUTIONS> 0.15
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 10.58
<EXPENSE-RATIO> 1.43
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0.00
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 356865
<NAME> OPPENHEIMER LIFESPAN INCOME FUND-B
<SERIES>
<NUMBER> 11
<NAME> Oppenheimer Series Fund, Inc.
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-1997
<PERIOD-START> NOV-01-1996
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 26,513,217
<INVESTMENTS-AT-VALUE> 27,540,136
<RECEIVABLES> 434,727
<ASSETS-OTHER> 3,668
<OTHER-ITEMS-ASSETS> 199,523
<TOTAL-ASSETS> 28,178,054
<PAYABLE-FOR-SECURITIES> 108,140
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 85,989
<TOTAL-LIABILITIES> 194,129
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 26,781,086
<SHARES-COMMON-STOCK> 63,790
<SHARES-COMMON-PRIOR> 42,628
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 175,920
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1,026,919
<NET-ASSETS> 677,469
<DIVIDEND-INCOME> 121,021
<INTEREST-INCOME> 841,530
<OTHER-INCOME> 0
<EXPENSES-NET> 197,009
<NET-INVESTMENT-INCOME> 765,542
<REALIZED-GAINS-CURRENT> 194,614
<APPREC-INCREASE-CURRENT> 9,184
<NET-CHANGE-FROM-OPS> 969,340
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 14,240
<DISTRIBUTIONS-OF-GAINS> 7,459
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 20,852
<NUMBER-OF-SHARES-REDEEMED> 1,598
<SHARES-REINVESTED> 1,908
<NET-CHANGE-IN-ASSETS> 1,199,310
<ACCUMULATED-NII-PRIOR> 11
<ACCUMULATED-GAINS-PRIOR> 370,133
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 102,237
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 197,009
<AVERAGE-NET-ASSETS> 588,906
<PER-SHARE-NAV-BEGIN> 10.69
<PER-SHARE-NII> 0.25
<PER-SHARE-GAIN-APPREC> 0.09
<PER-SHARE-DIVIDEND> 0.26
<PER-SHARE-DISTRIBUTIONS> 0.15
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 10.62
<EXPENSE-RATIO> 2.15
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0.00
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 356865
<NAME> OPPENHEIMER LIFESPAN INCOME FUND-C
<SERIES>
<NUMBER> 11
<NAME> Oppenheimer Series Fund, Inc.
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-1997
<PERIOD-START> NOV-01-1996
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 26,513,217
<INVESTMENTS-AT-VALUE> 27,540,136
<RECEIVABLES> 434,727
<ASSETS-OTHER> 3,668
<OTHER-ITEMS-ASSETS> 199,523
<TOTAL-ASSETS> 28,178,054
<PAYABLE-FOR-SECURITIES> 108,140
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 85,989
<TOTAL-LIABILITIES> 194,129
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 26,781,086
<SHARES-COMMON-STOCK> 2,576
<SHARES-COMMON-PRIOR> 95
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 175,920
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1,026,919
<NET-ASSETS> 27,338
<DIVIDEND-INCOME> 121,021
<INTEREST-INCOME> 841,530
<OTHER-INCOME> 0
<EXPENSES-NET> 197,009
<NET-INVESTMENT-INCOME> 765,542
<REALIZED-GAINS-CURRENT> 194,614
<APPREC-INCREASE-CURRENT> 9,184
<NET-CHANGE-FROM-OPS> 969,340
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 214
<DISTRIBUTIONS-OF-GAINS> 77
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,457
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 24
<NET-CHANGE-IN-ASSETS> 1,199,310
<ACCUMULATED-NII-PRIOR> 11
<ACCUMULATED-GAINS-PRIOR> 370,133
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 102,237
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 197,009
<AVERAGE-NET-ASSETS> 9,857
<PER-SHARE-NAV-BEGIN> 10.66
<PER-SHARE-NII> 0.29
<PER-SHARE-GAIN-APPREC> 0.10
<PER-SHARE-DIVIDEND> 0.29
<PER-SHARE-DISTRIBUTIONS> 0.15
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 10.61
<EXPENSE-RATIO> 2.21
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0.00
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 356865
<NAME> OPPENHEIMER LIFESPAN GROWTH-A
<SERIES>
<NUMBER> 13
<NAME> OPPENHEIMER SERIES FUND, INC.
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-1997
<PERIOD-START> NOV-01-1996
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 46,961,664
<INVESTMENTS-AT-VALUE> 50,885,874
<RECEIVABLES> 699,540
<ASSETS-OTHER> 3,903
<OTHER-ITEMS-ASSETS> 182,152
<TOTAL-ASSETS> 51,771,469
<PAYABLE-FOR-SECURITIES> 709,975
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 54,115
<TOTAL-LIABILITIES> 764,090
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 45,633,934
<SHARES-COMMON-STOCK> 3,856,956
<SHARES-COMMON-PRIOR> 3,440,864
<ACCUMULATED-NII-CURRENT> 354,907
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1,094,313
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3,924,225
<NET-ASSETS> 46,487,490
<DIVIDEND-INCOME> 280,943
<INTEREST-INCOME> 561,473
<OTHER-INCOME> 0
<EXPENSES-NET> 366,315
<NET-INVESTMENT-INCOME> 476,101
<REALIZED-GAINS-CURRENT> 1,136,239
<APPREC-INCREASE-CURRENT> (1,904,356)
<NET-CHANGE-FROM-OPS> (292,016)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 279,876
<DISTRIBUTIONS-OF-GAINS> 2,163,640
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 332,117
<NUMBER-OF-SHARES-REDEEMED> 111,699
<SHARES-REINVESTED> 195,674
<NET-CHANGE-IN-ASSETS> 4,481,167
<ACCUMULATED-NII-PRIOR> 171,706
<ACCUMULATED-GAINS-PRIOR> 2,261,956
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 207,567
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 366,315
<AVERAGE-NET-ASSETS> 46,177,827
<PER-SHARE-NAV-BEGIN> 12.78
<PER-SHARE-NII> 0.09
<PER-SHARE-GAIN-APPREC> (0.12)
<PER-SHARE-DIVIDEND> 0.08
<PER-SHARE-DISTRIBUTIONS> 0.62
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 12.05
<EXPENSE-RATIO> 1.44
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0.00
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 356865
<NAME> OPPENHEIMER LIFESPAN GROWTH-B
<SERIES>
<NUMBER> 13
<NAME> OPPENHEIMER SERIES FUND, INC.
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-1997
<PERIOD-START> NOV-01-1996
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 46,961,664
<INVESTMENTS-AT-VALUE> 50,885,874
<RECEIVABLES> 699,540
<ASSETS-OTHER> 3,903
<OTHER-ITEMS-ASSETS> 182,152
<TOTAL-ASSETS> 51,771,469
<PAYABLE-FOR-SECURITIES> 709,975
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 54,115
<TOTAL-LIABILITIES> 764,090
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 45,633,934
<SHARES-COMMON-STOCK> 312,031
<SHARES-COMMON-PRIOR> 187,750
<ACCUMULATED-NII-CURRENT> 354,907
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1,094,313
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3,924,225
<NET-ASSETS> 3,761,495
<DIVIDEND-INCOME> 280,943
<INTEREST-INCOME> 561,473
<OTHER-INCOME> 0
<EXPENSES-NET> 366,315
<NET-INVESTMENT-INCOME> 476,101
<REALIZED-GAINS-CURRENT> 1,136,239
<APPREC-INCREASE-CURRENT> (1,904,356)
<NET-CHANGE-FROM-OPS> (292,016)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 11,776
<DISTRIBUTIONS-OF-GAINS> 128,434
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 136,218
<NUMBER-OF-SHARES-REDEEMED> 23,110
<SHARES-REINVESTED> 11,173
<NET-CHANGE-IN-ASSETS> 4,481,167
<ACCUMULATED-NII-PRIOR> 171,706
<ACCUMULATED-GAINS-PRIOR> 2,261,956
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 207,567
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 366,315
<AVERAGE-NET-ASSETS> 2,971,380
<PER-SHARE-NAV-BEGIN> 12.81
<PER-SHARE-NII> 0.05
<PER-SHARE-GAIN-APPREC> (0.13)
<PER-SHARE-DIVIDEND> 0.06
<PER-SHARE-DISTRIBUTIONS> 0.62
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 12.05
<EXPENSE-RATIO> 2.19
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0.00
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 356865
<NAME> OPPENHEIMER LIFESPAN GROWTH-C
<SERIES>
<NUMBER> 13
<NAME> OPPENHEIMER SERIES FUND, INC.
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-1997
<PERIOD-START> NOV-01-1996
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 46,961,664
<INVESTMENTS-AT-VALUE> 50,885,874
<RECEIVABLES> 699,540
<ASSETS-OTHER> 3,903
<OTHER-ITEMS-ASSETS> 182,152
<TOTAL-ASSETS> 51,771,469
<PAYABLE-FOR-SECURITIES> 709,975
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 54,115
<TOTAL-LIABILITIES> 764,090
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 45,633,934
<SHARES-COMMON-STOCK> 63,343
<SHARES-COMMON-PRIOR> 11,060
<ACCUMULATED-NII-CURRENT> 354,907
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1,094,313
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3,924,225
<NET-ASSETS> 758,394
<DIVIDEND-INCOME> 280,943
<INTEREST-INCOME> 561,473
<OTHER-INCOME> 0
<EXPENSES-NET> 366,315
<NET-INVESTMENT-INCOME> 476,101
<REALIZED-GAINS-CURRENT> 1,136,239
<APPREC-INCREASE-CURRENT> (1,904,356)
<NET-CHANGE-FROM-OPS> (292,016)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 1,248
<DISTRIBUTIONS-OF-GAINS> 11,808
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 56,305
<NUMBER-OF-SHARES-REDEEMED> 4,868
<SHARES-REINVESTED> 846
<NET-CHANGE-IN-ASSETS> 4,481,167
<ACCUMULATED-NII-PRIOR> 171,706
<ACCUMULATED-GAINS-PRIOR> 2,261,956
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 207,567
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 366,315
<AVERAGE-NET-ASSETS> 353,662
<PER-SHARE-NAV-BEGIN> 12.74
<PER-SHARE-NII> 0.06
<PER-SHARE-GAIN-APPREC> (0.15)
<PER-SHARE-DIVIDEND> 0.06
<PER-SHARE-DISTRIBUTIONS> 0.62
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 11.97
<EXPENSE-RATIO> 2.21
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0.00
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 356865
<NAME> OPPENHEIMER DISCIPLINED VALUE- A
<SERIES>
<NUMBER> 5
<NAME> OPPENHEIMER SERIES FUND, INC.
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> OCT-31-1997
<PERIOD-START> NOV-01-1996
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 198,877,081
<INVESTMENTS-AT-VALUE> 225,000,756
<RECEIVABLES> 12,533,244
<ASSETS-OTHER> 7,465
<OTHER-ITEMS-ASSETS> 45,496
<TOTAL-ASSETS> 237,586,961
<PAYABLE-FOR-SECURITIES> 10,847,156
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 449,014
<TOTAL-LIABILITIES> 11,296,170
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 180,331,092
<SHARES-COMMON-STOCK> 7,318,295
<SHARES-COMMON-PRIOR> 9,201,201
<ACCUMULATED-NII-CURRENT> 975,826
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 18,860,198
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 26,123,675
<NET-ASSETS> 147,939,394
<DIVIDEND-INCOME> 1,496,277
<INTEREST-INCOME> 764,954
<OTHER-INCOME> 0
<EXPENSES-NET> 1,108,995
<NET-INVESTMENT-INCOME> 1,152,236
<REALIZED-GAINS-CURRENT> 18,997,672
<APPREC-INCREASE-CURRENT> (265,493)
<NET-CHANGE-FROM-OPS> 19,884,415
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 641,621
<DISTRIBUTIONS-OF-GAINS> 12,874,637
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,871,157
<NUMBER-OF-SHARES-REDEEMED> 4,436,709
<SHARES-REINVESTED> 682,646
<NET-CHANGE-IN-ASSETS> 38,937,283
<ACCUMULATED-NII-PRIOR> 479,425
<ACCUMULATED-GAINS-PRIOR> 13,295,701
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 653,462
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,108,995
<AVERAGE-NET-ASSETS> 190,645,053
<PER-SHARE-NAV-BEGIN> 19.65
<PER-SHARE-NII> 0.15
<PER-SHARE-GAIN-APPREC> 1.90
<PER-SHARE-DIVIDEND> 0.07
<PER-SHARE-DISTRIBUTIONS> 1.41
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 20.22
<EXPENSE-RATIO> 1.00
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0.00
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 356865
<NAME> OPPENHEIMER DISCIPLINED VALUE- B
<SERIES>
<NUMBER> 5
<NAME> OPPENHEIMER SERIES FUND, INC.
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> OCT-31-1997
<PERIOD-START> NOV-01-1996
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 198,877,081
<INVESTMENTS-AT-VALUE> 225,000,756
<RECEIVABLES> 12,533,244
<ASSETS-OTHER> 7,465
<OTHER-ITEMS-ASSETS> 45,496
<TOTAL-ASSETS> 237,586,961
<PAYABLE-FOR-SECURITIES> 10,847,156
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 449,014
<TOTAL-LIABILITIES> 11,296,170
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 180,331,092
<SHARES-COMMON-STOCK> 645,574
<SHARES-COMMON-PRIOR> 296,100
<ACCUMULATED-NII-CURRENT> 975,826
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 18,860,198
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 26,123,675
<NET-ASSETS> 13,098,292
<DIVIDEND-INCOME> 1,496,277
<INTEREST-INCOME> 764,954
<OTHER-INCOME> 0
<EXPENSES-NET> 1,108,995
<NET-INVESTMENT-INCOME> 1,152,236
<REALIZED-GAINS-CURRENT> 18,997,672
<APPREC-INCREASE-CURRENT> (265,493)
<NET-CHANGE-FROM-OPS> 19,884,415
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 12,556
<DISTRIBUTIONS-OF-GAINS> 494,687
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 349,773
<NUMBER-OF-SHARES-REDEEMED> 25,257
<SHARES-REINVESTED> 24,958
<NET-CHANGE-IN-ASSETS> 38,937,283
<ACCUMULATED-NII-PRIOR> 479,425
<ACCUMULATED-GAINS-PRIOR> 13,295,701
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 653,462
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,108,995
<AVERAGE-NET-ASSETS> 8,960,111
<PER-SHARE-NAV-BEGIN> 19.77
<PER-SHARE-NII> 0.04
<PER-SHARE-GAIN-APPREC> 1.93
<PER-SHARE-DIVIDEND> 0.04
<PER-SHARE-DISTRIBUTIONS> 1.41
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 20.29
<EXPENSE-RATIO> 1.87
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0.00
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 356865
<NAME> OPPENHEIMER DISCIPLINED VALUE- C
<SERIES>
<NUMBER> 5
<NAME> OPPENHEIMER SERIES FUND, INC.
<S> <C>
<PERIOD-TYPE> 6-mos
<FISCAL-YEAR-END> OCT-31-1997
<PERIOD-START> NOV-01-1996
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 198,877,081
<INVESTMENTS-AT-VALUE> 225,000,756
<RECEIVABLES> 12,533,244
<ASSETS-OTHER> 7,465
<OTHER-ITEMS-ASSETS> 45,496
<TOTAL-ASSETS> 237,586,961
<PAYABLE-FOR-SECURITIES> 10,847,156
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 449,014
<TOTAL-LIABILITIES> 11,296,170
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 180,331,092
<SHARES-COMMON-STOCK> 189,378
<SHARES-COMMON-PRIOR> 36,533
<ACCUMULATED-NII-CURRENT> 975,826
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 18,860,198
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 26,123,675
<NET-ASSETS> 3,801,380
<DIVIDEND-INCOME> 1,496,277
<INTEREST-INCOME> 764,954
<OTHER-INCOME> 0
<EXPENSES-NET> 1,108,995
<NET-INVESTMENT-INCOME> 1,152,236
<REALIZED-GAINS-CURRENT> 18,997,672
<APPREC-INCREASE-CURRENT> (265,493)
<NET-CHANGE-FROM-OPS> 19,884,415
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 1,655
<DISTRIBUTIONS-OF-GAINS> 63,782
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 150,981
<NUMBER-OF-SHARES-REDEEMED> 1,375
<SHARES-REINVESTED> 3,239
<NET-CHANGE-IN-ASSETS> 38,937,283
<ACCUMULATED-NII-PRIOR> 479,425
<ACCUMULATED-GAINS-PRIOR> 13,295,701
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 653,462
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,108,995
<AVERAGE-NET-ASSETS> 1,770,915
<PER-SHARE-NAV-BEGIN> 19.57
<PER-SHARE-NII> 0.06
<PER-SHARE-GAIN-APPREC> 1.89
<PER-SHARE-DIVIDEND> 0.04
<PER-SHARE-DISTRIBUTIONS> 1.41
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 20.07
<EXPENSE-RATIO> 1.93
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0.00
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 356865
<NAME> OPPENHEIMER DISCIPLINED VALUE- Y
<SERIES>
<NUMBER> 5
<NAME> OPPENHEIMER SERIES FUND, INC.
<S> <C>
<PERIOD-TYPE> 4-mos
<FISCAL-YEAR-END> OCT-31-1997
<PERIOD-START> DEC-16-1996
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 198,877,081
<INVESTMENTS-AT-VALUE> 225,000,756
<RECEIVABLES> 12,533,244
<ASSETS-OTHER> 7,465
<OTHER-ITEMS-ASSETS> 45,496
<TOTAL-ASSETS> 237,586,961
<PAYABLE-FOR-SECURITIES> 10,847,156
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 449,014
<TOTAL-LIABILITIES> 11,296,170
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 180,331,092
<SHARES-COMMON-STOCK> 3,043,461
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 975,826
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 18,860,198
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 26,123,675
<NET-ASSETS> 61,451,725
<DIVIDEND-INCOME> 1,496,277
<INTEREST-INCOME> 764,954
<OTHER-INCOME> 0
<EXPENSES-NET> 1,108,995
<NET-INVESTMENT-INCOME> 1,152,236
<REALIZED-GAINS-CURRENT> 18,997,672
<APPREC-INCREASE-CURRENT> (265,493)
<NET-CHANGE-FROM-OPS> 19,884,415
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 3
<DISTRIBUTIONS-OF-GAINS> 69
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 3,066,386
<NUMBER-OF-SHARES-REDEEMED> 22,925
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 38,937,283
<ACCUMULATED-NII-PRIOR> 479,425
<ACCUMULATED-GAINS-PRIOR> 13,295,701
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 653,462
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,108,995
<AVERAGE-NET-ASSETS> 13,122,988
<PER-SHARE-NAV-BEGIN> 20.31
<PER-SHARE-NII> 0.08
<PER-SHARE-GAIN-APPREC> 1.28
<PER-SHARE-DIVIDEND> 0.07
<PER-SHARE-DISTRIBUTIONS> 1.41
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 20.19
<EXPENSE-RATIO> 1.25
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0.00
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 356865
<NAME> OPPENHEIMER LIFESPAN BALANCED FUND - A
<SERIES>
<NUMBER> 12
<NAME> OPPENHEIMER SERIES FUND, INC.
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-1997
<PERIOD-START> NOV-01-1996
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 55,367,915
<INVESTMENTS-AT-VALUE> 58,975,774
<RECEIVABLES> 806,624
<ASSETS-OTHER> 4,130
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 59,786,528
<PAYABLE-FOR-SECURITIES> 529,841
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 259,631
<TOTAL-LIABILITIES> 789,472
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 54,107,694
<SHARES-COMMON-STOCK> 4,785,875
<SHARES-COMMON-PRIOR> 4,376,638
<ACCUMULATED-NII-CURRENT> 269,020
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1,012,733
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3,607,609
<NET-ASSETS> 54,839,308
<DIVIDEND-INCOME> 263,257
<INTEREST-INCOME> 1,049,815
<OTHER-INCOME> 0
<EXPENSES-NET> 409,251
<NET-INVESTMENT-INCOME> 903,821
<REALIZED-GAINS-CURRENT> 1,038,736
<APPREC-INCREASE-CURRENT> (1,859,566)
<NET-CHANGE-FROM-OPS> 82,991
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 785,338
<DISTRIBUTIONS-OF-GAINS> 1,432,693
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 477,839
<NUMBER-OF-SHARES-REDEEMED> 256,485
<SHARES-REINVESTED> 187,883
<NET-CHANGE-IN-ASSETS> 4,171,715
<ACCUMULATED-NII-PRIOR> 194,574
<ACCUMULATED-GAINS-PRIOR> 1,499,219
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 243,673
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 409,251
<AVERAGE-NET-ASSETS> 54,141,246
<PER-SHARE-NAV-BEGIN> 11.90
<PER-SHARE-NII> 0.16
<PER-SHARE-GAIN-APPREC> (0.11)
<PER-SHARE-DIVIDEND> 0.17
<PER-SHARE-DISTRIBUTIONS> 0.32
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 11.46
<EXPENSE-RATIO> 1.38
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0.00
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 356865
<NAME> OPPENHEIMER LIFESPAN BALANCED FUND - B
<SERIES>
<NUMBER> 12
<NAME> OPPENHEIMER SERIES FUND, INC.
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-1997
<PERIOD-START> NOV-01-1996
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 55,367,915
<INVESTMENTS-AT-VALUE> 58,975,774
<RECEIVABLES> 806,624
<ASSETS-OTHER> 4,130
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 59,786,528
<PAYABLE-FOR-SECURITIES> 529,841
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 259,631
<TOTAL-LIABILITIES> 789,472
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 54,107,694
<SHARES-COMMON-STOCK> 283,846
<SHARES-COMMON-PRIOR> 158,021
<ACCUMULATED-NII-CURRENT> 269,020
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1,012,733
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3,607,609
<NET-ASSETS> 3,271,915
<DIVIDEND-INCOME> 263,257
<INTEREST-INCOME> 1,049,815
<OTHER-INCOME> 0
<EXPENSES-NET> 409,251
<NET-INVESTMENT-INCOME> 903,821
<REALIZED-GAINS-CURRENT> 1,038,736
<APPREC-INCREASE-CURRENT> (1,859,566)
<NET-CHANGE-FROM-OPS> 82,991
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 33,711
<DISTRIBUTIONS-OF-GAINS> 69,269
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 155,998
<NUMBER-OF-SHARES-REDEEMED> 38,791
<SHARES-REINVESTED> 8,618
<NET-CHANGE-IN-ASSETS> 4,171,715
<ACCUMULATED-NII-PRIOR> 194,574
<ACCUMULATED-GAINS-PRIOR> 1,499,219
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 243,673
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 409,251
<AVERAGE-NET-ASSETS> 2,804,416
<PER-SHARE-NAV-BEGIN> 11.98
<PER-SHARE-NII> 0.12
<PER-SHARE-GAIN-APPREC> (0.11)
<PER-SHARE-DIVIDEND> 0.14
<PER-SHARE-DISTRIBUTIONS> 0.32
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 11.53
<EXPENSE-RATIO> 2.12
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0.00
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 356865
<NAME> OPPENHEIMER LIFESPAN BALANCED FUND - C
<SERIES>
<NUMBER> 12
<NAME> OPPENHEIMER SERIES FUND, INC.
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-1997
<PERIOD-START> NOV-01-1996
<PERIOD-END> APR-30-1997
<INVESTMENTS-AT-COST> 55,367,915
<INVESTMENTS-AT-VALUE> 58,975,774
<RECEIVABLES> 806,624
<ASSETS-OTHER> 4,130
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 59,786,528
<PAYABLE-FOR-SECURITIES> 529,841
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 259,631
<TOTAL-LIABILITIES> 789,472
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 54,107,694
<SHARES-COMMON-STOCK> 77,480
<SHARES-COMMON-PRIOR> 69,708
<ACCUMULATED-NII-CURRENT> 269,020
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1,012,733
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3,607,609
<NET-ASSETS> 885,833
<DIVIDEND-INCOME> 263,257
<INTEREST-INCOME> 1,049,815
<OTHER-INCOME> 0
<EXPENSES-NET> 409,251
<NET-INVESTMENT-INCOME> 903,821
<REALIZED-GAINS-CURRENT> 1,038,736
<APPREC-INCREASE-CURRENT> (1,859,566)
<NET-CHANGE-FROM-OPS> 82,991
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 10,326
<DISTRIBUTIONS-OF-GAINS> 23,260
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 32,082
<NUMBER-OF-SHARES-REDEEMED> 27,173
<SHARES-REINVESTED> 2,863
<NET-CHANGE-IN-ASSETS> 4,171,715
<ACCUMULATED-NII-PRIOR> 194,574
<ACCUMULATED-GAINS-PRIOR> 1,499,219
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 243,673
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 409,251
<AVERAGE-NET-ASSETS> 940,442
<PER-SHARE-NAV-BEGIN> 11.88
<PER-SHARE-NII> 0.14
<PER-SHARE-GAIN-APPREC> (0.14)
<PER-SHARE-DIVIDEND> 0.13
<PER-SHARE-DISTRIBUTIONS> 0.32
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 11.43
<EXPENSE-RATIO> 2.12
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0.00
</TABLE>