Exhibit 23



            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM


We hereby consent to the incorporation by reference in the Registration
Statement on Form S-8 (No. 333-104155) of Penton Media, Inc. of our report dated
April 14, 2005 relating to the financial statements and financial statement
schedule, which appears in this Form 10-K.



PricewaterhouseCoopers LLP

Cleveland, Ohio
April 15, 2005