[ARTICLE] 6                                         
[CIK] 0000775370
[NAME] SMITH BARNEY MUNI FUNDS
[SERIES]
   [NUMBER] 5
   [NAME] CALIFORNIA MONEY MARKET PORTFOLIO, CLASS Y
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          MAR-31-1997
[PERIOD-END]                               MAR-31-1997
[INVESTMENTS-AT-COST]                    1,427,893,642
[INVESTMENTS-AT-VALUE]                   1,427,893,642
[RECEIVABLES]                               12,580,428
[ASSETS-OTHER]                                  83,155
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                           1,440,557,225
[PAYABLE-FOR-SECURITIES]                    30,602,735
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                            0
[TOTAL-LIABILITIES]                         33,004,939
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                 1,406,272,418
[SHARES-COMMON-STOCK]                        7,404,962
[SHARES-COMMON-PRIOR]                                0
[ACCUMULATED-NII-CURRENT]                   36,945,970
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                      (127,964)
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                             0
[NET-ASSETS]                             1,407,552,286
[DIVIDEND-INCOME]                                    0
[INTEREST-INCOME]                           45,936,263
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               8,990,293
[NET-INVESTMENT-INCOME]                     36,945,970
[REALIZED-GAINS-CURRENT]                        94,245
[APPREC-INCREASE-CURRENT]                            0
[NET-CHANGE-FROM-OPS]                       37,040,215
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                             0
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                     27,251,350
[NUMBER-OF-SHARES-REDEEMED]                 19,869,754
[SHARES-REINVESTED]                             23,366
[NET-CHANGE-IN-ASSETS]                      61,738,100
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                        6,706,574
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              8,990,293
[AVERAGE-NET-ASSETS]                         1,724,270
[PER-SHARE-NAV-BEGIN]                             1.00
[PER-SHARE-NII]                                   0.02
[PER-SHARE-GAIN-APPREC]                              0
[PER-SHARE-DIVIDEND]                              0.02
[PER-SHARE-DISTRIBUTIONS]                         0.03
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                               1.00
[EXPENSE-RATIO]                                   0.39
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>