- Yacht club Jeseník z.s.
- Yacht Club Velké Dářko o.s.
- Yacht Club Nový Jičín z.s.
- Yachtclub Jinočany, z.s.
- YAGANA Lucky zone, z.s.
- Y.C. Markop FL, z.s.
- Yoga Experience Center, z.s.
- YACHT CLUB MILEVSKO z.s.
- Yvonne Lombardo
- Yachtmeni, z.s.
- Your Freestyle, o.s. v likvidaci
- YMCA v České republice
- YAKSHA GYM PLZEŇ z.s.
- YCR - Jachting Roudnice nad Labem, z.s.
- YFU CZ, z.s.
- Yacht club ANCORA
- Yamka Minigolfclub Butovice, z. s.
- YMCA Braník
- YACHT CLUB REGENT z.s.
- Youth and Students for Peace Czech Republic z.s.
- Yacht Club Solenice, z. s.
- YPO Czech Chapter z. s.
- YC CoolStar, z.s.
- YMCA - Živá rodina
- Yacht Club Lanškroun, z.s.
- Yobi Take Puraha Shakuhachi Collegium z.s.
- Yacht Club Bohemia o.s.
- YARD RESORT, z.s.
- YMCA Praha
- YROBAT z.s.
- Yacht Club Řež z.s.
- Yacht klub Mělník z.s.
- YAMAHA TEAM Petr Kalášek z.s. v likvidaci
- Y-Club, z.s.
- Young Planeswalkers
- Yacht Club Kovářov z.s.
- YESYES z.s.
- YACET-MLÁDEŽ, UMĚNÍ A KREATIVITA V EVROPĚ
- Yachtclub Pardubice, z.s.
- YMCA Ostrava-Poruba
- YACHT CLUB RAZOVÁ z. s.
- Youth Business Network
- YogFest z.s.
- YOUNGTIMER - Česká republika, z.s.
- YACHT CLUB LESKOVEC, z.s.
- Young Golf Champions z.s.
- YACHT CLUB DOKSY, spolek
- YMCA Orlová
- Yoki Home, z.s.
- Yacht klub CERE Plzeň