<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q
FOR THE THREE MONTHS ENDED SEPTEMBER 30, 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>                   3-MOS
<FISCAL-YEAR-END>                          JUN-30-2000
<PERIOD-START>                             JUL-01-1999
<PERIOD-END>                               SEP-30-1999
<EXCHANGE-RATE>                                  1,000
<CASH>                                          11,806
<SECURITIES>                                         0
<RECEIVABLES>                                   42,451
<ALLOWANCES>                                   (1,289)
<INVENTORY>                                     26,482
<CURRENT-ASSETS>                                81,755
<PP&E>                                          55,586
<DEPRECIATION>                                (21,060)
<TOTAL-ASSETS>                                 139,377
<CURRENT-LIABILITIES>                           29,349
<BONDS>                                          1,670
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        45,896
<OTHER-SE>                                      61,020
<TOTAL-LIABILITY-AND-EQUITY>                   139,377
<SALES>                                         64,014
<TOTAL-REVENUES>                                64,014
<CGS>                                           42,919
<TOTAL-COSTS>                                   12,605
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               (163)
<INCOME-PRETAX>                                  8,653
<INCOME-TAX>                                     3,296
<INCOME-CONTINUING>                              5,357
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     5,357
<EPS-BASIC>                                        .53
<EPS-DILUTED>                                      .52