- Warování z.s.
- Windsurfing Nechranice z.s.
- West Coast Swing CZ, z.s.
- Web Design Museum, z.s.
- Workout Boxing Ring Gym z.s.
- Waldorfská základní škola Ratolest z.s.
- Wake Vary, z.s.
- Waldhof z.s.
- Warriors Nový Jičín, z. s.
- Wheel klub z.s.
- World Spy Club, v likvidaci
- Wittinghausen z.s.
- World Fighting Cage Association - Czech Republic
- We exhibit o.s.
- WESTERN HORSE CLUB, z.s.
- World Shotokan Institut ČR, o.s.
- Wycliffovi překladatelé Bible, z.s.
- Wikimedia Česká republika
- Wake point Holoubkov z.s.
- WERICHOVCI, z.s.
- Wittiq spolek
- WGE v likvidaci
- White Bears Hokej v likvidaci
- WPO Czech & Slovak Chapter o. s.
- Wine Stars Moravia, z.s. v likvidaci
- Welnes relax, spolek
- WorkSpace Europe - CZ, z.s.
- Welfare Sport Club
- WEST BOHEMIAN SKI TRAINING ACADEMY, z.s.
- Westerners International-CZ z.s.
- World Banya Association z. s.
- Whippet klub
- WBC
- WDHteam z.s.
- WATUTKA
- WARRANT SPORT CLUB o.s.
- WNBF Czechia z. s.
- Wikisofia, z. s.
- W-Klubík, z.s.
- WoodSlack spolek
- WORLD FOOTDARTS ASSOCIATION z.s.
- Warp Gaming z. s.
- World of Chronicles o. s.
- Wind Solar, z.s.
- Wattlink Beta z.s.
- WAIDI z.s.
- Wallachia z.s.
- WAKEREN - MLUVTE v likvidaci
- Wheels of Wild z. s.
- W. W. Würfel International Society, z. s.