- Westerners International-CZ z.s.
- WRC Prachatice
- W.T.I.O. YachtClub z.s.
- WST club Příbram v likvidaci
- Wheels & Guns, z.s.
- World Insignia Collectors Union
- W. W. Würfel International Society, z. s.
- Wartburg Veterán Klub ČR,z.s.
- Wolves Chomutov, z.s.
- Willík - spolek pro Williamsův syndrom, z.s.
- Western Motorbike, z.s.
- W-K Expert CZ, z.s.
- WALLACHIAN o. s.
- Wallato, o. s.
- Workout Boxing Ring Gym z.s.
- We Can, z. s.
- Whippet klub
- WAYPOINT MH, z.s.
- Winternitzova vila, z.s.
- W collegium z.s.
- WLB Golf Club, z.s.
- Weim Help, z.s.
- World Castles Ambassadors z.s.
- Wampum, z.s.
- WakeSurf Tour z.s.
- Wakeboarding Jablonec, o.s.
- Western ranč Na Samotách
- WakeSurf Club Obříství z.s.
- Wellness 2000, z.s.
- Way of harmony, z. s.
- Waldorf pro Znojemsko, z.s.
- W-iniciativa
- WAN 2012 v likvidaci
- WATER POLO CLUB TACHOV
- Woodmaid, z.s.
- Winter Hockey Days z.s.
- World Author Association o.s.
- WICARA, z.s.
- W-club z.s.
- Water Sector, z.s.
- Wasps Racing Přerov v likvidaci
- Wanderclub Jihlava
- Word of Life ČR, z.s.
- Wildlife Odyssey, o. s.
- Water Rescue - Race Marshall, z.s.
- Wikimedia Česká republika
- WELES, z. s.
- WT - PRO Racing, z.s.
- We Are Holis z. s.
- WW club Prague v likvidace