Exhibit 32.1


                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


     In connection with the Quarterly Report of Lexmark International, Inc. (the
"Company")  on Form 10-Q for the period  ending  June 30, 2005 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, Paul J.
Curlander,  Chairman  and  Chief  Executive  Officer  of the  Company,  certify,
pursuant to 18 U.S.C.  Section 1350,  as adopted  pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, that:

     (1) The Report fully  complies  with the  requirements  of Section 13(a) or
15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

     (2)  The  information  contained  in the  Report  fairly  presents,  in all
material  respects,  the  financial  condition  and results of operations of the
Company.


Dated:  August 2, 2005


                                            /s/ Paul J. Curlander
                                            -----------------------------------
                                            Paul J. Curlander
                                            Chairman and Chief Executive Officer



A signed  original of this written  statement  required by Section 906, or other
document authenticating, acknowledging, or otherwise adopting the signature that
appears in typed form within the  electronic  version of this written  statement
required by Section 906,  has been  provided to the Company and will be retained
by the Company and furnished to the  Securities  and Exchange  Commission or its
staff upon request.