- February 7 to February 8, 2026
- Paris Grand Slam (France)
- February 21 to February 22, 2026
- All Japan Senior Judo Weight Class Championships (Japan)
- February 27 to March 1, 2026
- Tashkent Grand Slam (Uzbekistan)
- March 15, 2026
- Empress's Cup Tokyo Women's Judo Championships
- March 21 to March 23, 2026
- Tbilisi Grand Slam (Georgia)
- April 4 to April 5, 2026
- All Japan Judo Championships by Weight Category (Japan)
- April 16 to April 19, 2026
- Asian Senior Championships (China)
- April 19, 2026
- Empress's Cup All-Japan Women's Judo Championships (Japan)
- May 1 to May 3, 2026
- Dushanbe Grand Slam (Tajikistan)
- May 8 to May 10, 2026
- Astana Gland Slam (Kazakhstan)
- June 13 to June 14, 2026
- All Japan Businessmen Team Judo Championships (Japan)
- June 19 to June 21, 2026
- Ulaanbaatar Grand Slam (Mongolia)
- August 28 to August 30, 2026
- Lausanne Grand Slam (Switzerland)
- September 5 to September 6, 2026
- All Japan Businessmen Individual Judo Championships (Japan)
- September 11 to September 13, 2026
- Hungary Grand Slam (Hungary)
- September 30 to October 3, 2026
- Asian Games (Japan)
- October 4 to October 11, 2026
- World Championships (Azerbaijan)
- October 17 to October 19, 2026
- National Sports Festival of Japan [Team Competition] (Japan)
- October 29 to October 31, 2026
- Abu Dhabi Grand Slam (UAE)
- November 7 to November 8, 2026
- Kodokan Cup All Japan Judo Championships by Weight Category (Japan)
- December 5 to December 6, 2026
- Tokyo Grand Slam (Japan)
