<PAGE> PAGE 1
000 A000000 08/31/96
000 C000000 0000202768
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0
000 J000000 A
001 A000000 NUVEEN MUNICIPAL BOND FUND, INC.
001 B000000 811-2692
001 C000000 3129178200
002 A000000 333 WEST WACKER DRIVE
002 B000000 CHICAGO
002 C000000 IL
002 D010000 60606
002 D020000 1286
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
007 C010100 1
007 C010200 2
007 C010300 3
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
007 C011100 11
007 C011200 12
007 C011300 13
007 C011400 14
007 C011500 15
007 C011600 16
007 C011700 17
007 C011800 18
007 C011900 19
007 C012000 20
007 C012100 21
007 C012200 22
007 C012300 23
007 C012400 24
007 C012500 25
007 C012600 26
007 C012700 27
007 C012800 28
<PAGE> PAGE 2
007 C012900 29
007 C013000 30
008 A000001 NUVEEN ADVISORY CORP
008 B000001 A
008 C000001 801-12353
008 D010001 CHICAGO
008 D020001 IL
008 D030001 60606
008 D040001 1286
011 A000001 JOHN NUVEEN & CO. INCORPORATED
011 B000001 8-13464
011 C010001 CHICAGO
011 C020001 IL
011 C030001 60606
011 C040001 1286
012 A000001 SHAREHOLDER SERVICES, INC.
012 B000001 84-907
012 C010001 DENVER
012 C020001 CO
012 C030001 80217
013 A000001 ARTHUR ANDERSEN
013 B010001 CHICAGO
013 B020001 IL
013 B030001 60603
014 A000001 JOHN NUVEEN & CO., INC.
014 B000001 8-13464
015 A000001 CHASE MANHATTAN BANK
015 B000001 C
015 C010001 NEW YORK
015 C020001 NY
015 C030001 10003
015 E010001 X
015 A000002 SECURITY PACIFIC NATIONAL TRUST CO.
015 B000002 S
015 C010002 NEW YORK
015 C020002 NY
015 C030002 10274
015 E010002 X
015 A000003 BANK OF NEW YORK
015 B000003 S
015 C010003 NEW YORK
015 C020003 NY
015 C030003 10007
015 E010003 X
015 A000004 BANKERS TRUST COMPANY
015 B000004 S
015 C010004 NEW YORK
015 C020004 NY
015 C030004 10015
015 E010004 X
015 A000005 MORGAN GUARANTY TRUST CO.
<PAGE> PAGE 3
015 B000005 S
015 C010005 NEW YORK
015 C020005 NY
015 C030005 10260
015 E010005 X
015 A000006 CHEMICAL BANK OF NEW YORK
015 B000006 S
015 C010006 NEW YORK
015 C020006 NY
015 C030006 10172
015 E010006 X
015 A000007 NATIONSBANK OF NORTH CAROLINA NA
015 B000007 S
015 C010007 CHARLOTTE
015 C020007 NC
015 C030007 28255
015 E010007 X
015 A000008 DELETE
018 000000 Y
019 A000000 Y
019 B000000 82
019 C000000 NUVEENFUND
020 C000001 0
020 C000002 0
020 C000003 0
020 C000004 0
020 C000005 0
020 C000006 0
020 C000007 0
020 C000008 0
020 C000009 0
020 C000010 0
021 000000 0
022 A000001 MORGAN STANLEY
022 B000001 13-2655998
022 C000001 118841
022 D000001 83575
022 A000002 J P MORGAN SECURITIES
022 B000002 13-3224016
022 C000002 78701
022 D000002 41700
022 A000003 LEHMAN BROTHERS
022 B000003 13-2518466
022 C000003 63347
022 D000003 0
022 A000004 GOLDMAN SACHS & CO
022 B000004 13-5108880
022 C000004 38500
022 D000004 0
022 A000005 PAINE WEBBER
022 B000005 13-2638166
<PAGE> PAGE 4
022 C000005 11245
022 D000005 20449
022 A000006 BEAR STERNS
022 B000006 13-3604093
022 C000006 5000
022 D000006 24543
022 A000007 SMITH BARNEY
022 B000007 13-1912900
022 C000007 27666
022 D000007 1380
022 A000008 EVEREN SECURITIES
022 B000008 36-4019175
022 C000008 24577
022 D000008 0
022 A000009 WILLIAM R HOUGH & CO
022 B000009 59-2246010
022 C000009 17408
022 D000009 0
022 A000010 GREENWICH PARTNERS
022 B000010 13-3176013
022 C000010 16153
022 D000010 0
023 C000000 522747
023 D000000 442997
024 000000 N
025 D000001 0
025 D000002 0
025 D000003 0
025 D000004 0
025 D000005 0
025 D000006 0
025 D000007 0
025 D000008 0
026 A000000 N
026 B000000 N
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 Y
028 A010000 14160
028 A020000 10217
028 A030000 0
028 A040000 27648
028 B010000 34330
028 B020000 10254
028 B030000 0
028 B040000 32895
<PAGE> PAGE 5
028 C010000 29231
028 C020000 10223
028 C030000 0
028 C040000 48056
028 D010000 12021
028 D020000 10183
028 D030000 0
028 D040000 30420
028 E010000 24118
028 E020000 10163
028 E030000 0
028 E040000 28742
028 F010000 34824
028 F020000 9866
028 F030000 0
028 F040000 32267
028 G010000 148684
028 G020000 60906
028 G030000 0
028 G040000 200028
028 H000000 54440
029 000000 Y
030 A000000 487
030 B000000 4.50
030 C000000 0.00
031 A000000 80
031 B000000 0
032 000000 407
033 000000 0
034 000000 Y
035 000000 2
036 A000000 Y
036 B000000 0
037 000000 N
038 000000 0
039 000000 Y
040 000000 Y
041 000000 Y
042 A000000 0
042 B000000 0
042 C000000 0
042 D000000 92
042 E000000 0
042 F000000 8
042 G000000 0
042 H000000 0
043 000000 58
044 000000 0
045 000000 Y
046 000000 N
047 000000 Y
<PAGE> PAGE 6
048 000000 0.000
048 A010000 125000
048 A020000 0.500
048 B010000 125000
048 B020000 0.488
048 C010000 250000
048 C020000 0.475
048 D010000 500000
048 D020000 0.463
048 E010000 1000000
048 E020000 0.450
048 F010000 0
048 F020000 0.000
048 G010000 0
048 G020000 0.000
048 H010000 0
048 H020000 0.000
048 I010000 0
048 I020000 0.000
048 J010000 0
048 J020000 0.000
048 K010000 2000000
048 K020000 0.425
049 000000 N
050 000000 N
051 000000 N
052 000000 N
053 A000000 N
054 A000000 Y
054 B000000 N
054 C000000 N
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 N
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 N
054 M000000 Y
054 N000000 N
054 O000000 Y
055 A000000 Y
055 B000000 N
056 000000 N
057 000000 N
058 A000000 N
059 000000 Y
060 A000000 Y
060 B000000 Y
<PAGE> PAGE 7
061 000000 1000
062 A000000 Y
062 B000000 0.0
062 C000000 0.0
062 D000000 0.0
062 E000000 1.2
062 F000000 0.0
062 G000000 0.0
062 H000000 0.0
062 I000000 0.0
062 J000000 0.0
062 K000000 0.0
062 L000000 0.0
062 M000000 0.0
062 N000000 0.0
062 O000000 99.5
062 P000000 0.0
062 Q000000 0.0
062 R000000 0.0
063 A000000 0
063 B000000 14.7
064 A000000 Y
064 B000000 N
066 A000000 N
067 000000 N
068 A000000 N
068 B000000 N
069 000000 N
070 A010000 Y
070 A020000 N
070 B010000 N
070 B020000 N
070 C010000 Y
070 C020000 N
070 D010000 N
070 D020000 N
070 E010000 Y
070 E020000 N
070 F010000 N
070 F020000 N
070 G010000 Y
070 G020000 N
070 H010000 N
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 N
070 K010000 N
070 K020000 N
070 L010000 N
<PAGE> PAGE 8
070 L020000 N
070 M010000 N
070 M020000 N
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 N
070 P020000 N
070 Q010000 N
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000 320467
071 B000000 242217
071 C000000 2816798
071 D000000 9
072 A000000 6
072 B000000 85539
072 C000000 0
072 D000000 0
072 E000000 0
072 F000000 6494
072 G000000 0
072 H000000 0
072 I000000 1115
072 J000000 188
072 K000000 84
072 L000000 125
072 M000000 25
072 N000000 33
072 O000000 0
072 P000000 0
072 Q000000 0
072 R000000 9
072 S000000 24
072 T000000 70
072 U000000 0
072 V000000 0
072 W000000 70
072 X000000 8237
072 Y000000 0
072 Z000000 77302
072AA000000 9658
072BB000000 0
072CC010000 0
072CC020000 71994
072DD010000 76379
072DD020000 1223
072EE000000 0
073 A010000 0.0000
<PAGE> PAGE 9
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 26
074 B000000 0
074 C000000 33100
074 D000000 2849913
074 E000000 0
074 F000000 0
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 165
074 K000000 0
074 L000000 40617
074 M000000 53
074 N000000 2923874
074 O000000 47564
074 P000000 1108
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 10621
074 S000000 0
074 T000000 2864581
074 U010000 309141
074 U020000 6321
074 V010000 0.00
074 V020000 0.00
074 W000000 0.0000
074 X000000 94865
074 Y000000 47236
075 A000000 0
075 B000000 2857949
076 000000 0.00
077 A000000 Y
077 I000000 Y
077 Q010000 Y
078 000000 N
080 C000000 0
081 B000000 0
082 B000000 0
083 B000000 0
084 B000000 0
086 A010000 0
086 A020000 0
086 B010000 0
086 B020000 0
086 C010000 0
086 C020000 0
<PAGE> PAGE 10
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
086 F020000 0
SIGNATURE O. WALTER RENFFTLEN
TITLE V.P. & CONTROLLER
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the Form
N-SAR and the financial statements and is qualified in its entirety by
references to such documents.
</LEGEND>
<SERIES>
<NUMBER> 002
<NAME> NUVEEN MUNICIPAL BOND FUND INC CLASS A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> FEB-28-1997
<PERIOD-START> MAR-1-1996
<PERIOD-END> AUG-31-1996
<INVESTMENTS-AT-COST> 2787424
<INVESTMENTS-AT-VALUE> 2883013
<RECEIVABLES> 40782
<ASSETS-OTHER> 79
<OTHER-ITEMS-ASSETS> 00
<TOTAL-ASSETS> 2923874
<PAYABLE-FOR-SECURITIES> 47564
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 11729
<TOTAL-LIABILITIES> 59293
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2754549
<SHARES-COMMON-STOCK> 5952
<SHARES-COMMON-PRIOR> 3999
<ACCUMULATED-NII-CURRENT> 870
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 13573
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 95589
<NET-ASSETS> 54030
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 85539
<OTHER-INCOME> 0
<EXPENSES-NET> 8237
<NET-INVESTMENT-INCOME> 77302
<REALIZED-GAINS-CURRENT> 9658
<APPREC-INCREASE-CURRENT> (71994)
<NET-CHANGE-FROM-OPS> 14965
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 1168
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 3165
<NUMBER-OF-SHARES-REDEEMED> 1294
<SHARES-REINVESTED> 82
<NET-CHANGE-IN-ASSETS> (53064)
<ACCUMULATED-NII-PRIOR> 1170
<ACCUMULATED-GAINS-PRIOR> 3916
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 6494
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 8237
<AVERAGE-NET-ASSETS> 45652
<PER-SHARE-NAV-BEGIN> 9.28
<PER-SHARE-NII> .241
<PER-SHARE-GAIN-APPREC> (.206)
<PER-SHARE-DIVIDEND> .235
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.08
<EXPENSE-RATIO> .82
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the Form
N-SAR and the financial statements and is qualified in its entirety by
references to such documents.
</LEGEND>
<SERIES>
<NUMBER> 003
<NAME> NUVEEN MUNICIPAL BOND FUND INC CLASS C
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> FEB-28-1997
<PERIOD-START> MAR-1-1996
<PERIOD-END> AUG-31-1996
<INVESTMENTS-AT-COST> 2787424
<INVESTMENTS-AT-VALUE> 2883013
<RECEIVABLES> 40782
<ASSETS-OTHER> 79
<OTHER-ITEMS-ASSETS> 00
<TOTAL-ASSETS> 2923874
<PAYABLE-FOR-SECURITIES> 47564
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 11729
<TOTAL-LIABILITIES> 59293
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2754549
<SHARES-COMMON-STOCK> 369
<SHARES-COMMON-PRIOR> 207
<ACCUMULATED-NII-CURRENT> 870
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 13573
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 95589
<NET-ASSETS> 3350
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 85539
<OTHER-INCOME> 0
<EXPENSES-NET> 8237
<NET-INVESTMENT-INCOME> 77302
<REALIZED-GAINS-CURRENT> 9658
<APPREC-INCREASE-CURRENT> (71994)
<NET-CHANGE-FROM-OPS> 14965
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 55
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 193
<NUMBER-OF-SHARES-REDEEMED> 35
<SHARES-REINVESTED> 4
<NET-CHANGE-IN-ASSETS> (53064)
<ACCUMULATED-NII-PRIOR> 1170
<ACCUMULATED-GAINS-PRIOR> 3916
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 6494
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 8237
<AVERAGE-NET-ASSETS> 2488
<PER-SHARE-NAV-BEGIN> 9.26
<PER-SHARE-NII> .207
<PER-SHARE-GAIN-APPREC> (.185)
<PER-SHARE-DIVIDEND> .202
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.08
<EXPENSE-RATIO> 1.57
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the Form
N-SAR and the financial statements and is qualified in its entirety by
references to such documents.
</LEGEND>
<SERIES>
<NUMBER> 001
<NAME> NUVEEN MUNICIPAL BOND FUND INC CLASS R
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> FEB-28-1997
<PERIOD-START> MAR-1-1996
<PERIOD-END> AUG-31-1996
<INVESTMENTS-AT-COST> 2787424
<INVESTMENTS-AT-VALUE> 2883013
<RECEIVABLES> 40782
<ASSETS-OTHER> 79
<OTHER-ITEMS-ASSETS> 00
<TOTAL-ASSETS> 2923874
<PAYABLE-FOR-SECURITIES> 47564
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 11729
<TOTAL-LIABILITIES> 59293
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2754549
<SHARES-COMMON-STOCK> 309141
<SHARES-COMMON-PRIOR> 310264
<ACCUMULATED-NII-CURRENT> 870
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 13573
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 95589
<NET-ASSETS> 2807201
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 85539
<OTHER-INCOME> 0
<EXPENSES-NET> 8237
<NET-INVESTMENT-INCOME> 77302
<REALIZED-GAINS-CURRENT> 9658
<APPREC-INCREASE-CURRENT> (71994)
<NET-CHANGE-FROM-OPS> 14965
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 76379
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 13014
<NUMBER-OF-SHARES-REDEEMED> 20725
<SHARES-REINVESTED> 6588
<NET-CHANGE-IN-ASSETS> (53064)
<ACCUMULATED-NII-PRIOR> 1170
<ACCUMULATED-GAINS-PRIOR> 3916
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 12802
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 8237
<AVERAGE-NET-ASSETS> 2809809
<PER-SHARE-NAV-BEGIN> 9.28
<PER-SHARE-NII> .246
<PER-SHARE-GAIN-APPREC> (.199)
<PER-SHARE-DIVIDEND> .247
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 9.08
<EXPENSE-RATIO> .57
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
