<PAGE> PAGE 1
000 A000000 12/31/96
000 C000000 0000276716
000 D000000 N
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000 F000000 Y
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000 J000000 U
001 A000000 COLONIAL TRUST IV
001 B000000 811-2865
001 C000000 6174263750
002 A000000 ONE FINANCIAL CENTER
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002 C000000 MA
002 D010000 02111
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004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
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007 C010100 1
007 C010200 2
007 C010300 3
007 C010400 4
007 C020400 COLONIAL MUNICIPAL MONEY MARKET FUND
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007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
018 00AA00 Y
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<PAGE> PAGE 2
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077 A000000 Y
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077 F000000 N
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077 J000000 N
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<PAGE> PAGE 3
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010 A000401 COLONIAL MANAGEMENT ASSOCIATES, INC.
010 B000401 A
010 C010401 801-2019
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015 A000401 UMB, N.A.
015 B000401 C
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<PAGE> PAGE 4
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<PAGE> PAGE 5
048 K020400 0.000
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<PAGE> PAGE 6
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<PAGE> PAGE 7
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SIGNATURE PETER LYDECKER
TITLE CONTROLLER
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FINANCIAL
STATEMENTS OF COLONIAL MUNICIPAL MONEY MARKET FUND, CLASS A YEAR END JUN-30-1997
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS OF
COLONIAL MUNICIPAL MONEY MARKET FUND, CLASS A YEAR END JUN-30-1997
</LEGEND>
<CIK> 0000276716
<NAME> COLONIAL TRUST IV
<SERIES>
<NUMBER> 4
<NAME> COLONIAL MUNICIPAL MONEY MARKET FUND, CLASS A
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<S> <C>
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</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FINANCIAL
STATEMENTS OF COLONIAL MUNICIPAL MONEY MARKET FUND, CLASS B YEAR END JUN-30-1997
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS OF
COLONIAL MUNICIPAL MONEY MARKET FUND, CLASS B YEAR END JUN-30-1997
</LEGEND>
<CIK> 0000276716
<NAME> COLONIAL TRUST IV
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<NAME> COLONIAL MUNICPAL MONEY MARKET FUND, CLASS B
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</TABLE>
