<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CARDINAL
HEALTH INC.'S FORM 10-K FOR THE PERIOD ENDED JUNE 30, 1999 AND IS QUALIFIED IN
ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000,000
<CURRENCY> U.S. DOLLARS

                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          JUN-30-1999
<PERIOD-START>                             JUL-01-1998
<PERIOD-END>                               JUN-30-1999
<EXCHANGE-RATE>                                      1
<CASH>                                             185
<SECURITIES>                                         0
<RECEIVABLES>                                    1,673
<ALLOWANCES>                                      (71)
<INVENTORY>                                      2,940
<CURRENT-ASSETS>                                 5,239
<PP&E>                                           2,799
<DEPRECIATION>                                 (1,237)
<TOTAL-ASSETS>                                   8,405
<CURRENT-LIABILITIES>                            2,965
<BONDS>                                          1,224
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         1,092
<OTHER-SE>                                       2,478
<TOTAL-LIABILITY-AND-EQUITY>                     8,405
<SALES>                                         25,111
<TOTAL-REVENUES>                                25,111
<CGS>                                           22,488
<TOTAL-COSTS>                                   22,488
<OTHER-EXPENSES>                                 1,581
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               (100)
<INCOME-PRETAX>                                    785
<INCOME-TAX>                                       304
<INCOME-CONTINUING>                                481
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       481
<EPS-BASIC>                                       1.73
<EPS-DILUTED>                                     1.68