Exhibit 32.1

                    Certification of Chief Executive Officer
                Pursuant to 18 U.S.C. 1350 as adopted pursuant to
                      906 of the Sarbanes-Oxley Act of 2002

In connection with the filing with the Securities and Exchange Commission of the
Quarterly Report of Kendle International Inc. (the "Company") on Form 10-Q for
the period ended June 30, 2005 (the "Report"), I, Candace Kendle, 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, to the
best of my knowledge:

1) The Report fully complies with the requirements of section 13(a) or 15(d) of
the Securities Exchange Act of 1934; 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 9, 2005

/s/ Candace Kendle
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Candace Kendle
Chief Executive Officer

A signed original of this written statement required by Section 906 has been
provided to Kendle International Inc. and will be retained by Kendle
International Inc. and furnished to the Securities and Exchange Commission or
its staff upon request.

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