- Women4Cyber Czechia z. s.
- WORLD DANCE, z.s.
- World Smart Biotic Pump Platform, z. s.
- W-iniciativa
- W&H Fighters, z.s.
- WAOCOM
- Wheel klub z.s.
- Water Lily Sport Club z. s.
- W.I.L.D. of Prague, z.s.
- WALNUT Institut, z.s.
- Windsurfing Nechranice z.s.
- WIZARDS Krupka, o. s.
- West Coast Swing CZ, z.s.
- Wind Solar, z.s.
- Workout Hodonín z.s.
- WUDANG KUNG FU ASSOCIATION, o.s.
- Workout Mělník, z.s.
- Wakesurf Matylda z.s.
- WAYPOINT MH, z.s.
- WIND o.s.
- Wellness Ďáblice, spolek
- WARIOT IDEAL z.s.
- Warrior Rallye, z.s.
- Wallato, o. s.
- Wilson tenis centrum z.s.
- W alternativa, z.s.
- World Martial Arts Games Committee, spolek
- WINGS team, spolek
- W klub Toulaví jezdci, z.s.
- WOLF GEO GROUP v likvidaci
- World Press Photo, z.s.
- WRC Prachatice
- Wartburg klub v Hradci Králové v likvidaci
- WALDORFSKÁ INICIATIVA PRAHA, z.s.
- Weim Help, z.s.
- WCS Prague, z. s.
- We Love To Help ! z.s.
- World MMA Federation z.s.
- Wagner club, v likvidaci
- WČK v likvidaci
- Wadokai Česká republika z.s., v likvidaci
- Water Rescue - Race Marshall, z.s.
- Western club Black & Brown z.s.
- Wenchang Wang, z.s.
- WIRACOM
- Wilfried Second
- Wheelchair Basketball Studánka Pardubice, z.s.
- Well You sportovní klub z.s.
- Wi-Fi-Vit Network z.s.
- WOTRUBIA