- World Press Photo, z.s.
- WORLDWIDE CEMENT ASSOCIATION z.s.
- WOMBATRONIC, z.s.
- World Adventure Golf Tour, z.s.
- Wrestling Club Ostrava, z. s.
- WorldMusicArt, o.s.
- World Traditional Karate-do Federation, z.s.
- Wild River v likvidaci
- Wattlink Beta z.s.
- Warrior Rallye, z.s.
- WIFI-Loučka
- WBOXING, o.s.
- Wallachian Scooter rider, z.s.
- West Point Club z.s.
- Wing Chun Akademie CZ, z. s.
- W. W. KAJAK KLUB Ostrava, z.s.
- Western Riding Club České republiky, z.s.
- WT KUNGFU, z.s.
- Whisky&You z.s. v likvidaci
- WATUTKA
- www.vila-vysehrad.com z.s.
- WI-FI CBS ODRY z.s.
- Winter Hockey Days z.s.
- Waldorfská Aktivita Trutnov, z.s.
- WINGS team, spolek
- WCS Prague, z. s.
- Walter Reno
- Watchdog, z. s.
- Wartburg Veterán Klub ČR,z.s.
- Wheels & Guns, z.s.
- Windy Hill Ranch Krajková z.s.
- WESTERN HORSE CLUB, z.s.
- Workout Hodonín z.s.
- Wallato, o. s.
- Way of harmony, z. s.
- We Build Sport z.s.
- WET CLUB v likvidaci
- WUCGOLF 2012, v likvidaci
- WDHteam z.s.
- World Football Games, z.s.
- Willík - spolek pro Williamsův syndrom, z.s.
- West Best spolek
- Wild Cheerleaders
- West Žab United z.s.
- Waldorfské sdružení Ostrava, z.s.
- Wakitaka, z.s.
- Wittinghausen z.s.
- WERKADD TEAM z.s.
- Wellness Ďáblice, spolek
- WW club Prague v likvidace