[ARTICLE] 6
[CIK] 0000874835
[NAME] GREENWICH STREET SERIES FUND
[SERIES]
   [NUMBER] 10
   [NAME] DIVERSIFIED STRATEGIC INCOME PORTFOLIO
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   6-MOS
[FISCAL-YEAR-END]                          DEC-31-1999
[PERIOD-END]                               JUN-30-1999
[INVESTMENTS-AT-COST]                       90,007,142
[INVESTMENTS-AT-VALUE]                      89,205,160
[RECEIVABLES]                               12,761,195
[ASSETS-OTHER]                               3,839,204
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             105,805,559
[PAYABLE-FOR-SECURITIES]                    20,842,087
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                    3,329,754
[TOTAL-LIABILITIES]                         24,171,841
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                    80,108,297
[SHARES-COMMON-STOCK]                        7,916,980
[SHARES-COMMON-PRIOR]                        7,426,810
[ACCUMULATED-NII-CURRENT]                    2,740,860
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                      (503,623)
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                     (711,816)
[NET-ASSETS]                                81,633,718
[DIVIDEND-INCOME]                                6,112
[INTEREST-INCOME]                            2,991,591
[OTHER-INCOME]                                       0
[EXPENSES-NET]                                 316,968
[NET-INVESTMENT-INCOME]                      2,680,735
[REALIZED-GAINS-CURRENT]                     (503,995)
[APPREC-INCREASE-CURRENT]                  (1,824,928)
[NET-CHANGE-FROM-OPS]                          351,812
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                    3,784,662
[DISTRIBUTIONS-OF-GAINS]                       980,265
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        861,780
[NUMBER-OF-SHARES-REDEEMED]                    836,480
[SHARES-REINVESTED]                            464,870
[NET-CHANGE-IN-ASSETS]                         664,036
[ACCUMULATED-NII-PRIOR]                      3,844,787
[ACCUMULATED-GAINS-PRIOR]                      980,637
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                          263,636
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                                316,968
[AVERAGE-NET-ASSETS]                        81,793,351
[PER-SHARE-NAV-BEGIN]                            10.90
[PER-SHARE-NII]                                  00.33
[PER-SHARE-GAIN-APPREC]                         (0.28)
[PER-SHARE-DIVIDEND]                             00.51
[PER-SHARE-DISTRIBUTIONS]                        00.13
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              10.31
[EXPENSE-RATIO]                                  00.78
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>