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

  

<ARTICLE> 6                       
<CIK>                356865
<NAME>               OPPENHEIMER DISCIPLINED VALUE- B
<SERIES>                                                                 
   <NUMBER>          5
   <NAME>            OPPENHEIMER SERIES FUND, INC.
       
                                                                     
<PERIOD-TYPE>                                                           12-mos
<FISCAL-YEAR-END>                                                       OCT-31-1997
<PERIOD-START>                                                          NOV-01-1996
<PERIOD-END>                                                            OCT-31-1997
<INVESTMENTS-AT-COST>                                                                 457,479,603
<INVESTMENTS-AT-VALUE>                                                                546,186,811
<RECEIVABLES>                                                                          16,304,534
<ASSETS-OTHER>                                                                              6,352
<OTHER-ITEMS-ASSETS>                                                                       97,315
<TOTAL-ASSETS>                                                                        562,595,012
<PAYABLE-FOR-SECURITIES>                                                                5,475,009
<SENIOR-LONG-TERM-DEBT>                                                                         0
<OTHER-ITEMS-LIABILITIES>                                                                 783,011
<TOTAL-LIABILITIES>                                                                     6,258,020
<SENIOR-EQUITY>                                                                                 0
<PAID-IN-CAPITAL-COMMON>                                                              397,127,686
<SHARES-COMMON-STOCK>                                                                   3,572,324
<SHARES-COMMON-PRIOR>                                                                     296,100
<ACCUMULATED-NII-CURRENT>                                                               2,934,887
<OVERDISTRIBUTION-NII>                                                                          0
<ACCUMULATED-NET-GAINS>                                                                67,567,211
<OVERDISTRIBUTION-GAINS>                                                                        0
<ACCUM-APPREC-OR-DEPREC>                                                               88,707,208
<NET-ASSETS>                                                                           83,290,683
<DIVIDEND-INCOME>                                                                       4,898,669
<INTEREST-INCOME>                                                                       1,658,497
<OTHER-INCOME>                                                                                  0
<EXPENSES-NET>                                                                          3,482,860
<NET-INVESTMENT-INCOME>                                                                 3,074,306
<REALIZED-GAINS-CURRENT>                                                               67,704,492
<APPREC-INCREASE-CURRENT>                                                             (16,812,534)
<NET-CHANGE-FROM-OPS>                                                                  53,966,264
<EQUALIZATION>                                                                                  0
<DISTRIBUTIONS-OF-INCOME>                                                                  12,589
<DISTRIBUTIONS-OF-GAINS>                                                                  496,006
<DISTRIBUTIONS-OTHER>                                                                           0
<NUMBER-OF-SHARES-SOLD>                                                                 3,495,478
<NUMBER-OF-SHARES-REDEEMED>                                                               244,280
<SHARES-REINVESTED>                                                                        25,026
<NET-CHANGE-IN-ASSETS>                                                                368,983,484
<ACCUMULATED-NII-PRIOR>                                                                   479,425
<ACCUMULATED-GAINS-PRIOR>                                                              13,295,701
<OVERDISTRIB-NII-PRIOR>                                                                         0
<OVERDIST-NET-GAINS-PRIOR>                                                                      0
<GROSS-ADVISORY-FEES>                                                                   1,850,924
<INTEREST-EXPENSE>                                                                              0
<GROSS-EXPENSE>                                                                         3,482,860
<AVERAGE-NET-ASSETS>                                                                   30,019,076
<PER-SHARE-NAV-BEGIN>                                                                          19.77
<PER-SHARE-NII>                                                                                 0.09
<PER-SHARE-GAIN-APPREC>                                                                         4.91
<PER-SHARE-DIVIDEND>                                                                            0.04
<PER-SHARE-DISTRIBUTIONS>                                                                       1.41
<RETURNS-OF-CAPITAL>                                                                            0.00
<PER-SHARE-NAV-END>                                                                            23.32
<EXPENSE-RATIO>                                                                                 1.84
<AVG-DEBT-OUTSTANDING>                                                                          0
<AVG-DEBT-PER-SHARE>                                                                            0.00