<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION
EXTRACTED FROM FORM 10-Q FOR THE THREE MONTHS ENDED
DECEMBER 31, 1999 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0000763532
<NAME> LSI INDUSTRIES INC.
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUN-30-2000
<PERIOD-START>                             JUL-01-1999
<PERIOD-END>                               DEC-31-1999
<EXCHANGE-RATE>                                      1
<CASH>                                          15,695
<SECURITIES>                                         0
<RECEIVABLES>                                   36,282
<ALLOWANCES>                                   (1,027)
<INVENTORY>                                     25,700
<CURRENT-ASSETS>                                79,190
<PP&E>                                          57,656
<DEPRECIATION>                                (22,273)
<TOTAL-ASSETS>                                 137,497
<CURRENT-LIABILITIES>                           22,366
<BONDS>                                          1,638
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        46,168
<OTHER-SE>                                      65,852
<TOTAL-LIABILITY-AND-EQUITY>                   137,497
<SALES>                                        126,981
<TOTAL-REVENUES>                               126,981
<CGS>                                           84,139
<TOTAL-COSTS>                                   25,403
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               (336)
<INCOME-PRETAX>                                 17,775
<INCOME-TAX>                                     6,772
<INCOME-CONTINUING>                             11,003
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    11,003
<EPS-BASIC>                                       1.08
<EPS-DILUTED>                                     1.07