WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000775370
<NAME> SMITH BARNEY MUNI FUNDS
<SERIES>
   <NUMBER> 5
   <NAME> CALIFORNIA MONEY MARKET PORTFOLIO. CLASS A

<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAR-31-1999
<PERIOD-END>                               MAR-31-1999
<INVESTMENTS-AT-COST>                    2,110,209,519
<INVESTMENTS-AT-VALUE>                   2,110,209,519
<RECEIVABLES>                               29,388,561
<ASSETS-OTHER>                                       0
<OTHER-ITEMS-ASSETS>                           384,371
<TOTAL-ASSETS>                           2,139,979,451
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<SHARES-COMMON-STOCK>                    2,136,590,247
<SHARES-COMMON-PRIOR>                    1,851,443,245
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                        (1,006)
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<DIVIDEND-INCOME>                                    0
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<OTHER-INCOME>                                       0
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<EQUALIZATION>                                       0
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<DISTRIBUTIONS-OF-GAINS>                             0
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<NUMBER-OF-SHARES-SOLD>                  8,107,803,549
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<SHARES-REINVESTED>                         47,691,799
<NET-CHANGE-IN-ASSETS>                     343,756,933
<ACCUMULATED-NII-PRIOR>                              0
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<OVERDISTRIB-NII-PRIOR>                              0
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<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                             12,325,358
<AVERAGE-NET-ASSETS>                     1,925,774,501
<PER-SHARE-NAV-BEGIN>                            1.000
<PER-SHARE-NII>                                  0.026
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<RETURNS-OF-CAPITAL>                                 0
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<EXPENSE-RATIO>                                  0.640
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0


</TABLE>