<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000862502
<NAME> Salomon Brothers Balanced Fund
<SERIES>
<NUMBER>009
<NAME>Salomon Brothers Investment Series Funds Inc.
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> Dec-31-2000
<PERIOD-END> Jun-30-2000
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<APPREC-INCREASE-CURRENT> (5,975,035)
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<EQUALIZATION> 0
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<NET-CHANGE-IN-ASSETS> (30,387,593)
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</TABLE>
