The J. League Cup 2004, officially the 2004 J.League Yamazaki Nabisco Cup, was the 2nd edition of Japan soccer league cup tournament and the 12th edition under the current J. League Cup format. The championship started on March 27, and finished on November 3, 2004.

Marcus Túlio Tanaka is a former professional footballer who played as a centre-back. Born in Brazil, he represented Japan at international level.