List of professional sports teams in Japan explained

Baseball (2024 Nippon Baseball Professional Season)

B1 League

B2 League

B3 League

F1 League
- Bardral Urayasu
- Boaluz Nagano
- Borkbullet Kitakyushu
- Espolada Hokkaido
- Fugador Sumida
- Nagoya Oceans
- ASV Pescadola Machida
- Shonan Bellmare
- Shriker Osaka
- Tachikawa Athletic FC
- Vasagey Oita
- YSCC Yokohama
F2 League
- Agleymina Hamamatsu
- Hiroshima F Do
- Ligarevia Katsushika
- Malva Mito
- Miracle Smile Niihama
- Porseid Hamada
- Shinagawa City FC
- Vincedor Hakusan
- Voscuore Sendai

Japan Rugby League One Division 1
- Black Rams Tokyo
- Green Rockets Tokatsu
- Hanazono Kintetsu Liners
- Kobelco Kobe Steelers
- Kubota Spears Funabashi Tokyo Bay
- Mitsubishi Sagamihara DynaBoars
- Saitama Wild Knights
- Shizuoka Blue Revs (formerly known as Yamaha Júbilo)
- Tokyo Sungoliath
- Toshiba Brave Lupus Tokyo
- Toyota Verblitz
- Yokohama Canon Eagles
Japan Rugby League One Division 2
Japan Rugby League One Division 3
- Chugoku Red Regulions
- Kurita Water Gush Akishima
- Kyuden Voltex (without city/prefecture in the name)
- NTT DoCoMo Red Hurricanes Osaka
- Skyactivs Hiroshima

Division 1 (V1)
Division 2 (V2)
- Aisin Tealmare
- Daido Special Steel Red Star
- Fujitsu Kawasaki Red Spirits
- Hyogo Delfino
- Kinden Trinity Blitz
- Safilva Hokkaido
- Saitama Azalea
- Tsukuba United Sun Gaia
- Veertien Mie
- Voreas Hokkaido
Division 3 (V3)
- Chiba Zelva
- Kinki Club Sfida
- Kubota Spears
- Nagoya GaRons
- Nara Dreamers
- Police Agency Fort Fighters
- Tokyo Verdy
- Toyota Mobility Tokyo Sparkle
- Toyota Motor Sunhawks