Exhibit 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statement on Forms S-8 (Nos. 333-57577, 333-61780, 333-75479, 333-34261, 333-108163 and 333-120906) of Kendle International Inc. of our report dated February 11, 2003, relating to the financial statements, which appear in this Form 10-K. /s/ PricewaterhouseCoopers LLP Cincinnati, Ohio March 15, 2005