[ARTICLE] 6
[CIK] 0000775370
[NAME] SMITH BARNEY MUNI FUNDS
[SERIES]
   [NUMBER] 13
   [NAME] PENNSYLVANIA PORTFOLIO, CLASS B
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   6-MOS
[FISCAL-YEAR-END]                          MAR-31-1998
[PERIOD-END]                               SEP-30-1997
[INVESTMENTS-AT-COST]                       37,673,017
[INVESTMENTS-AT-VALUE]                      39,861,306
[RECEIVABLES]                                  769,156
[ASSETS-OTHER]                                  52,767
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                              40,683,229
[PAYABLE-FOR-SECURITIES]                     1,143,737
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                       33,110
[TOTAL-LIABILITIES]                          1,176,847
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                    36,988,514
[SHARES-COMMON-STOCK]                        1,327,638
[SHARES-COMMON-PRIOR]                        1,230,812
[ACCUMULATED-NII-CURRENT]                       57,699
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                        268,916
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                     2,188,289
[NET-ASSETS]                                39,506,382
[DIVIDEND-INCOME]                                    0
[INTEREST-INCOME]                            1,143,946
[OTHER-INCOME]                                       0
[EXPENSES-NET]                                 131,408
[NET-INVESTMENT-INCOME]                      1,012,538
[REALIZED-GAINS-CURRENT]                       278,587
[APPREC-INCREASE-CURRENT]                    1,648,888
[NET-CHANGE-FROM-OPS]                        2,940,013
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                      398,325
[DISTRIBUTIONS-OF-GAINS]                             0
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        134,024
[NUMBER-OF-SHARES-REDEEMED]                     54,674
[SHARES-REINVESTED]                             17,476
[NET-CHANGE-IN-ASSETS]                       3,064,579
[ACCUMULATED-NII-PRIOR]                          2,321
[ACCUMULATED-GAINS-PRIOR]                      (9,671)
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                                0
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                                217,639
[AVERAGE-NET-ASSETS]                        16,542,356
[PER-SHARE-NAV-BEGIN]                            12.64
[PER-SHARE-NII]                                  00.33
[PER-SHARE-GAIN-APPREC]                          00.66
[PER-SHARE-DIVIDEND]                             00.31
[PER-SHARE-DISTRIBUTIONS]                            0
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              13.32
[EXPENSE-RATIO]                                  00.88
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>