- YAMAMOTO Czech z.s.
- YMPAL- SPORT, o.s.
- YC GRAF o.s. v likvidaci
- YOUNGTIMER CLASSIC SPORT CARS CLUB, o.s.
- YMCA SKAUT
- YPG Evropa, z.s. v likvidaci
- Yacht Club BER Slezská Harta o.s.
- Yacht Club Nautilus Praha
- Yacht klub CERE Plzeň
- Youth in Czech Republic, z.s.
- Yellow Sisters z. s.
- YMCA LIBEREC
- YACHT CLUB MARINA VLTAVA, z.s.
- Yvonne Lombardo
- YACHT CLUB KOLODĚJE
- YACHT CLUB SALAŠ
- YELLOW LINE z.s.
- YOUTH LEADERSHIP EUROPE v likvidaci
- YMCA Setkání
- YACHTCLUB PETROV z.s., v likvidaci
- Yacht club Rozkoš v likvidaci
- Yettey v likvidaci
- Youth and Students for Peace Czech Republic z.s.
- YAMAHA TEAM Petr Kalášek z.s. v likvidaci
- YAD Albert z.s.
- Yacht Club NEPTUN Komárov z.s.
- Yacht club Santa Maria v likvidaci
- YACHT CLUB PŘÍBRAM, z.s.
- YACHT CLUB Dvořiště - Lišov, z.s.
- YELLOW FEVER CLUB o.s.
- Youthink z.s. v likvidaci
- Yacht club ČSA, v likvidaci
- YACHT CLUB LESKOVEC, z.s.
- Yacht Club Yachta´s z.s.
- Youth Progress, z.s.
- Young Folks o.s.
- Y.C. Nové Sedlo
- Yetti Club Trutnov z. s.
- yo-yo, z. s.
- Yacht club Lipno z.s.
- Yacht club Vranovská přehrada z.s.
- YMCA v České republice
- Yangame Gym
- Yacht Club ROSO Břevnov v likvidaci
- YAGANA Lucky zone, z.s.
- YCR - Jachting Roudnice nad Labem, z.s.
- Yacht club Jeseník z.s.
- Young czech talents o.s.
- YACHT CLUB MILEŠOV z.s.
- Yacht Club Lipno nad Vltavou, z.s.