J.League Winning Eleven 8: Asia Championship is a Japan-exclusive football simulation game developed by Konami and released for the PlayStation 2 in 2004. This entry in the Winning Eleven series focuses on the J.League, featuring fully licensed teams and players from Japan's top-tier football league.

The game also includes clubs from across Asia, offering a broader regional competition experience. It incorporates the gameplay mechanics of Winning Eleven 8.