- WICARA, z.s.
- We Build Sport z.s.
- World Elite Shooting Association, z.s.
- Wrak Gang
- Westernová jízda Štěkeň z. s.
- Walking fotbalová asociace České republiky, z.s.
- W-iniciativa
- WINNERS Znojmo z.s.
- W. W. Würfel International Society, z. s.
- Waope z.s.
- Wendy Basket Ostrava
- W.P.E.P.-Evropští patrioti, o.s.v likvidaci
- WCO z.s.
- West Žab United z.s.
- World Elite Golf Club z.s.
- Wellness Club Podolí, z.s.
- We Can, z. s.
- WELLNESS Rýmařov, spolek pro zdraví a dobrou náladu
- Wilson tenis centrum z.s.
- WIZO - spolek českých židovských žen
- WIFIFAMILYNET z.s.
- Wheels of Wild z. s.
- W-K Expert CZ, z.s.
- Worship.cz
- World Football Games, z.s.
- WT KUNGFU, z.s.
- WOV surf, z.s.
- World Smart Biotic Pump Platform, z. s.
- Whisky&You z.s. v likvidaci
- Wild paddlers z.s.
- Wild Geese z.s.
- W-forte z.s.
- Watsu Czech CZ z.s.
- WIFI-Tábor
- Wildhorse z.s.
- We Love To Help ! z.s.
- Westerners International-CZ z.s.
- Western Club Bohuňovice o.s.
- Wakesurf Matylda z.s.
- World Press Photo, z.s.
- WIFI-Loučka
- WASSA, z.s.
- Wine Stars Moravia, z.s. v likvidaci
- WANASTO Písek, z.s.
- Wireframing Design, z.s.
- Wakeboarding Jablonec, o.s.
- Western club Black & Brown z.s.
- Wake point Holoubkov z.s.
- WOLFHOUND KLUB, z.s.
- World Adventure Golf Tour, z.s.