[ARTICLE] 6
[CIK] 0000775370
[NAME] SMITH BARNEY MUNI FUNDS
[SERIES]
   [NUMBER] 1
   [NAME] NATIONAL CLASS B
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   6-MOS
[FISCAL-YEAR-END]                          MAR-31-1996
[PERIOD-END]                               SEP-30-1996
[INVESTMENTS-AT-COST]                      369,092,725
[INVESTMENTS-AT-VALUE]                     395,988,704
[RECEIVABLES]                               11,556,987
[ASSETS-OTHER]                                  49,692
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             407,595,383
[PAYABLE-FOR-SECURITIES]                     8,791,905
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                      311,355
[TOTAL-LIABILITIES]                          9,103,260
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   375,875,444
[SHARES-COMMON-STOCK]                          921,958
[SHARES-COMMON-PRIOR]                          848,418
[ACCUMULATED-NII-CURRENT]                      366,092
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                    (4,645,392)
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    29,895,979
[NET-ASSETS]                               398,492,123
[DIVIDEND-INCOME]                                    0
[INTEREST-INCOME]                           13,257,250
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               1,467,188
[NET-INVESTMENT-INCOME]                     11,790,062
[REALIZED-GAINS-CURRENT]                     (314,086)
[APPREC-INCREASE-CURRENT]                    (310,863)
[NET-CHANGE-FROM-OPS]                       11,165,133
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                      315,960
[DISTRIBUTIONS-OF-GAINS]                             0
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        107,828
[NUMBER-OF-SHARES-REDEEMED]                     49,584
[SHARES-REINVESTED]                             15,296
[NET-CHANGE-IN-ASSETS]                       7,723,297
[ACCUMULATED-NII-PRIOR]                        114,578
[ACCUMULATED-GAINS-PRIOR]                  (4,331,306)
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                          898,749
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              1,467,188
[AVERAGE-NET-ASSETS]                        10,811,056
[PER-SHARE-NAV-BEGIN]                            13.67
[PER-SHARE-NII]                                  00.37
[PER-SHARE-GAIN-APPREC]                         (0.01)
[PER-SHARE-DIVIDEND]                             00.36
[PER-SHARE-DISTRIBUTIONS]                            0
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              13.67
[EXPENSE-RATIO]                                  00.70
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>