This is a list of association football clubs in Japan from the 2025 season.
Three leagues will consist of 20 teams from 2024 onwards.
First division of the Japanese professional football system with 20 clubs: Second division of the Japanese professional football system with 20 clubs: Third and last division of the Japanese professional football system with 20 clubs: First division of the Japanese amateur football system and the only nationwide division for amateur clubs.
16 clubs: It are a group of nine parallel association football leagues in Japan that are organized on the regional basis.
They form the fifth and sixth tier of the Japanese association football league system.