- February 4 to February 5, 2023
- Paris Grand Slam (France)
- February 19, 2023
- All Japan Senior Judo Weight Class Championships (Japan)
- February 17 to February 19, 2023
- Tel Aviv Grand Slam (Israel)
- April 1 to April 2, 2023
- All Japan Judo Championships by Weight Category (Japan)
- April 23, 2023
- Empress's Cup All-Japan Women's Judo Championships (Japan)
- May 7 to May 14, 2023
- Doha World Championships (Qatar)
- June 3 to June 4, 2023
- All Japan Businessmen Individual Judo Championships (Japan)
- August 26 to August 27, 2023
- All Japan Businessmen Team Judo Championships (Japan)
- September 9 to September 10, 2023
- All Japan Junior Judo Weight Class Championships (Japan)
- September 23 to October 8, 2023
- Asian Games Hangzhou (China)
- October 4 to October 8, 2023
- World Championships Juniors (Portugal)
- October 14 to October 16, 2023
- National Sports Festival of Japan [Team Competition] (Japan)
- November 4 to November 5, 2023
- Kodokan Cup All Japan Judo Championships by Weight Category (Japan)
- December 2 to December 3, 2023
- Grand Slam Tokyo (Japan)
- December 15 to December 17, 2023
- World Masters (TBD)
- February 17 to February 18, 2023
- All Japan Senior Judo Weight Class Championships (Japan)
