- WAYPOINT MH, z.s.
- Waldorfská Aktivita Trutnov, z.s.
- Windows User Group - Czech Republic
- WESTERN SPORT ŽLUTAVA z.s.
- Wheels of Wild z. s.
- Wild Geese z.s.
- Wlanet z.s.
- Windsurfing Nechranice z.s.
- Wildhorse z.s.
- West Ham Lobzy Plzeň
- Walachian Tribe o.s.
- We Love Šumava z.s.
- WITHANIA, z.s.
- WELSH CORGI A KELPIE KLUB CZ, zapsaný spolek
- World dance sport z.s.
- W & I SPORT CLUB o.s.
- West Bohemia Sport
- WATER SKI WAKEBOARD CLUB HAVÍŘOV o.s. - WSWCH
- WINGS team, spolek
- Wakitaka, z.s.
- WCS Prague, z. s.
- WST club Příbram v likvidaci
- WTS 2011, spolek
- WATER POLO CLUB TACHOV
- WELCOME ON BOARD, z. s.
- WIFI-Tábor
- World Insignia Collectors Union
- WERICHOVCI, z.s.
- WA-TE JITSU-DÓ ATTFIS
- WERKADD TEAM z.s.
- WALNUT Institut, z.s.
- Western ranč Na Samotách
- WakeSurf Club Obříství z.s.
- Weightlifting club Brno, z.s.
- Wolf Group o.s.
- Wheelchair Basketball Studánka Pardubice, z.s.
- Winter-Cup, z.s.
- Westernová jízda Štěkeň z. s.
- Westernový klub HIDALGO
- World Elite Golf Club z.s.
- WORLD FEDERATION OF NEUROSURGICAL SOCIETIES z.s.
- Wopera-sérija
- Waldorfská iniciativa Liberec, z.s.
- We Love To Help ! z.s.
- W-club z.s.
- WAX, občanské sdružení, v likvidaci
- Wellness & Travel Club z.s.
- WATER & SNOW SKI CLUB, z.s.
- WAKE CB, z.s.
- Western parade Volyně