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

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000275811
<NAME> CASH PORTFOLIO - CLASS Y
<SERIES>
   <NUMBER> 001
   <NAME> SMITH BARNEY MONEY FUNDS, INC.

<S>                             <C>
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               DEC-31-1999
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<INVESTMENTS-AT-VALUE>                  45,486,087,431
<RECEIVABLES>                              232,558,211
<ASSETS-OTHER>                                     254
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<PAYABLE-FOR-SECURITIES>                             0
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<OTHER-ITEMS-LIABILITIES>                   41,342,379
<TOTAL-LIABILITIES>                         41,342,379
<SENIOR-EQUITY>                                      0
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<SHARES-COMMON-STOCK>                       67,401,433
<SHARES-COMMON-PRIOR>                      158,530,798
<ACCUMULATED-NII-CURRENT>                        5,745
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                      (975,148)
<OVERDISTRIBUTION-GAINS>                             0
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<DIVIDEND-INCOME>                                    0
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<OTHER-INCOME>                                       0
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<NET-INVESTMENT-INCOME>                  2,025,542,636
<REALIZED-GAINS-CURRENT>                        29,464
<APPREC-INCREASE-CURRENT>                            0
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<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                    3,666,785
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                    354,140,105
<NUMBER-OF-SHARES-REDEEMED>                448,769,869
<SHARES-REINVESTED>                          3,500,399
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<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                  (1,004,612)
<OVERDISTRIB-NII-PRIOR>                              0
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<INTEREST-EXPENSE>                                   0
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<AVERAGE-NET-ASSETS>                        77,080,540
<PER-SHARE-NAV-BEGIN>                             1.00
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<EXPENSE-RATIO>                                   0.42


</TABLE>