<ARTICLE> 6
<CIK> 1027596
<NAME> ADVISORS SERIES TRST

   <NUMBER> 15
   <NAME> UNITY FUND
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS

                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          MAY-31-2000
<PERIOD-START>                             JUN-01-1999
<PERIOD-END>                               MAY-31-2000
<EXCHANGE-RATE>                                      1
<INVESTMENTS-AT-COST>                        1,891,927
<INVESTMENTS-AT-VALUE>                       1,860,753
<RECEIVABLES>                                   22,986
<ASSETS-OTHER>                                  32,208
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                               1,915,947
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                       35,486
<TOTAL-LIABILITIES>                             35,486
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                     1,910,116
<SHARES-COMMON-STOCK>                          192,227
<SHARES-COMMON-PRIOR>                          354,913
<ACCUMULATED-NII-CURRENT>                        6,964
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                        (5,445)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                      (31,174)
<NET-ASSETS>                                 1,880,461
<DIVIDEND-INCOME>                               76,738
<INTEREST-INCOME>                                1,726
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                  65,044
<NET-INVESTMENT-INCOME>                         13,420
<REALIZED-GAINS-CURRENT>                      (11,610)
<APPREC-INCREASE-CURRENT>                    (405,954)
<NET-CHANGE-FROM-OPS>                        (380,924)
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                       19,723
<DISTRIBUTIONS-OF-GAINS>                       115,019
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        387,677
<NUMBER-OF-SHARES-REDEEMED>                    563,262
<SHARES-REINVESTED>                             12,899
<NET-CHANGE-IN-ASSETS>                     (2,175,405)
<ACCUMULATED-NII-PRIOR>                         13,267
<ACCUMULATED-GAINS-PRIOR>                       97,964
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                           26,342
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                165,648
<AVERAGE-NET-ASSETS>                         3,095,466
<PER-SHARE-NAV-BEGIN>                            11.43
<PER-SHARE-NII>                                 (0.07)
<PER-SHARE-GAIN-APPREC>                         (1.25)
<PER-SHARE-DIVIDEND>                              0.07
<PER-SHARE-DISTRIBUTIONS>                         0.40
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               9.78
<EXPENSE-RATIO>                                   2.10