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

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000862502
<NAME> Salomon Brothers International Equity Fund
<SERIES>
   <NUMBER>013
   <NAME>Salomon Brothers Investment Series Funds Inc.

<S>                             <C>
<PERIOD-TYPE>                  6-MOS
<FISCAL-YEAR-END>                               Dec-31-2000
<PERIOD-END>                                    Jun-30-2000
<INVESTMENTS-AT-COST>                            20,614,181
<INVESTMENTS-AT-VALUE>                           20,872,648
<RECEIVABLES>                                        76,190
<ASSETS-OTHER>                                    4,776,487
<OTHER-ITEMS-ASSETS>                                      0
<TOTAL-ASSETS>                                   25,725,325
<PAYABLE-FOR-SECURITIES>                                  0
<SENIOR-LONG-TERM-DEBT>                                   0
<OTHER-ITEMS-LIABILITIES>                           108,141
<TOTAL-LIABILITIES>                                 108,141
<SENIOR-EQUITY>                                           0
<PAID-IN-CAPITAL-COMMON>                         25,583,741
<SHARES-COMMON-STOCK>                               525,062
<SHARES-COMMON-PRIOR>                               309,770
<ACCUMULATED-NII-CURRENT>                           (84,204)
<OVERDISTRIBUTION-NII>                                    0
<ACCUMULATED-NET-GAINS>                            (140,954)
<OVERDISTRIBUTION-GAINS>                                  0
<ACCUM-APPREC-OR-DEPREC>                            258,601
<NET-ASSETS>                                     25,617,184
<DIVIDEND-INCOME>                                    96,564
<INTEREST-INCOME>                                    36,251
<OTHER-INCOME>                                            0
<EXPENSES-NET>                                      181,320
<NET-INVESTMENT-INCOME>                             (48,505)
<REALIZED-GAINS-CURRENT>                           (111,194)
<APPREC-INCREASE-CURRENT>                        (1,403,213)
<NET-CHANGE-FROM-OPS>                            (1,562,912)
<EQUALIZATION>                                            0
<DISTRIBUTIONS-OF-INCOME>                                 0
<DISTRIBUTIONS-OF-GAINS>                                  0
<DISTRIBUTIONS-OTHER>                                     0
<NUMBER-OF-SHARES-SOLD>                             268,912
<NUMBER-OF-SHARES-REDEEMED>                          53,620
<SHARES-REINVESTED>                                       0
<NET-CHANGE-IN-ASSETS>                           15,513,205
<ACCUMULATED-NII-PRIOR>                                   0
<ACCUMULATED-GAINS-PRIOR>                           (65,459)
<OVERDISTRIB-NII-PRIOR>                                   0
<OVERDIST-NET-GAINS-PRIOR>                                0
<GROSS-ADVISORY-FEES>                                78,601
<INTEREST-EXPENSE>                                        0
<GROSS-EXPENSE>                                     232,364
<AVERAGE-NET-ASSETS>                              5,539,942
<PER-SHARE-NAV-BEGIN>                                12.470
<PER-SHARE-NII>                                      (0.050)
<PER-SHARE-GAIN-APPREC>                              (1.140)
<PER-SHARE-DIVIDEND>                                  0.000
<PER-SHARE-DISTRIBUTIONS>                             0.000
<RETURNS-OF-CAPITAL>                                  0.000
<PER-SHARE-NAV-END>                                  11.280
<EXPENSE-RATIO>                                        2.50



</TABLE>