- Wrestling Club Ostrava, z. s.
- WR 21 z.s.
- WATOTO z.s. v likvidaci
- Wohlmannův statek z.s.
- Wendy Basket Ostrava
- West Tennis Praha z.s.
- Water Lily Sport Club z. s.
- Woleyballový a handballový club Ústí nad Labem
- World Banya Association z. s.
- Westernová jízda Štěkeň z. s.
- Westpark
- WAX, občanské sdružení, v likvidaci
- Western Motorbike, z.s.
- WW Sport Kladno, v likvidaci
- World Press Photo, z.s.
- West Coast Swing CZ, z.s.
- WANASTO Písek, z.s.
- W collegium z.s.
- Western Association v likvidaci
- W-iniciativa
- Wild Cheerleaders
- Well You sportovní klub z.s.
- We Are Holis z. s.
- WifiTurnovNet z.s.
- WPO Czech & Slovak Chapter o. s.
- Warrior Rallye, z.s.
- World Spy Club, v likvidaci
- Woskovky, z. s.
- World Budo Karate Association, z.s.
- WAOCOM
- WELSH CORGI A KELPIE KLUB CZ, zapsaný spolek
- WST club Příbram v likvidaci
- WIKI, z.s.
- World Hunter Field Target Organisation z.s.
- WAHA, o.s.
- Wanderer club z.s.
- Wolves boxing club z.s.
- WDHteam z.s.
- Wind Solar, z.s.
- WithoutLimits, z.s.
- Wild Five, z.s.
- WarField Events z.s.
- Working Equitation Česká republika, z.s.
- W&H Fighters, z.s.
- Wild paddlers z.s.
- WAKE CB, z.s.
- We Build Sport z.s.
- Wonder women racing team z.s.
- WAIDI z.s.
- World professional kick boxing league Česká Republika