- Wilfried Second
- Wild Geese z.s.
- WIFIFAMILYNET z.s.
- World Banya Association z. s.
- WarField Events z.s.
- WOTRUBIA
- Worship.cz
- WORLD FOOTDARTS ASSOCIATION z.s.
- World professional kick boxing league Česká Republika
- Whisky&You z.s. v likvidaci
- Waldorfské sdružení Ostrava, z.s.
- WEST JAM CB
- Wild Horde z.s.
- Western Club Bohuňovice o.s.
- WT KUNGFU, z.s.
- Wheel klub z.s.
- World Mission Society Church of God, z. s.
- Word of Life ČR, z.s.
- WATCHER, o.s.
- Watsu for Health, z.s.
- WERICHOVCI, z.s.
- WakeSurf Club Náklo z. s.
- Wartburg Veterán Klub ČR,z.s.
- WomenNet z. s.
- WIFI-Loučka
- W collegium z.s.
- Waldorfská pedagogika, z.s.
- Waldorfská Aktivita Trutnov, z.s.
- WIFI-Tábor
- Wine for Help z.s.
- Wallachia Art z.s.
- Wolverines o. s.
- W.H.A. v likvidaci
- W. W. Würfel International Society, z. s.
- Wadokai Česká republika z.s., v likvidaci
- WW8 expedition group o.s.
- W&H Fighters, z.s.
- Women in Tech, z. s.
- We Love To Help ! z.s.
- Weyus help z.s.
- WAIDI z.s.
- Waldorfská iniciativa Liberec, z.s.
- WIZARDS Krupka, o. s.
- World Press Photo, z.s.
- Workshop Street ND z.s.
- Worldwide Professional Logistics o.s.
- WILLA Dolní Jablonná v likvidaci
- Warriors CB z.s.
- WORLD UNION OF POLE DANCE & AERIAL SPORTS, z.s.
- World Insignia Collectors Union