- Wanddy z. s.
- Wallachia Art z.s.
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- WhyNot CC z. s.
- Wittiq spolek
- WR 21 z.s.
- Western Association v likvidaci
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- WakeSurf Club Náklo z. s.
- Wikisofia, z. s.
- West Bohemia Sport
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- Waldorfská iniciativa, z. s.
- WC MUŇÁRI TEAM
- W-club z.s.
- WELES, z. s.
- Wild Cheerleaders
- World Spy Club, v likvidaci
- WakeSurf Tour z.s.
- Workout Boxing Ring Gym z.s.
- WKS Praha, spolek
- WAKE CB, z.s.
- Worldwide Professional Logistics o.s.
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- WomenNet z. s.
- Waldorfská aktivita, z.s.
- World team of dream HC Loučky
- WW Sport Kladno, v likvidaci
- World Insignia Collectors Union
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- W klub Toulaví jezdci, z.s.
- Worship.cz
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- Wai Fighting Academy, z.s. v likvidaci
- Water Sector, z.s.
- World Association of Karate Jutsu z. s.
- Wallachia z.s.
- WIZARDS Krupka, o. s.
- Wind Solar, z.s.
- Westernová jízda Štěkeň z. s.