"All-Japan" (全日本, Zen Nihon,Zen Nippon) is a name given to championships or governing bodies that are based in Japan. It may also refer to:
Combat sport
editFootball
editMotorsport
editCars
editAll series below are organised or recognised by JAF (Japan Automobile Federation)
- All Japan Sports Prototype Championship
- All-Japan Formula Three Championship
- All-Japan Formula 3000 Championship (1987-1995), former name of Formula Nippon
- All-Japan Grand Touring Car Championship, former name of Super GT
- All-Japan Professional Drift Championship, former name of D1 Grand Prix
- All-Japan Touring Car Championship, alternative name of Japanese Touring Car Championship
- JRMCA All-Japan National Championship
Motorcycles
editAll series are organized by MFJ (Motorcycle Federation of Japan)