- Wasps Racing Přerov v likvidaci
- Women in Tech, z. s.
- Wikimedia Česká republika
- Waterboys team
- Wireframing Design, z.s.
- Working Equitation Česká republika, z.s.
- WAKEREN - MLUVTE v likvidaci
- Wenchang Wang, z.s.
- Wild Five, z.s.
- Western Horseman Association
- Wannado, z.s.
- WAVE CLUB DUBÍ
- World Budo Karate Association, z.s.
- Workout Brno z.s.
- WSC H.W. z.s.
- WČK v likvidaci
- Whitewaterkempy, z.s.
- Wai Fighting Academy, z.s. v likvidaci
- World Football Games, z.s.
- Watermans, z.s.
- We Love To Help ! z.s.
- West Žab United z.s.
- Wolves Chomutov, z.s.
- West Ham Lobzy Plzeň
- West Tennis Praha z.s.
- Wittinghausen z.s.
- Western-klub.cz z.s.
- Wakeboardingový sportovní klub Brno, z.s.
- Wings - for us, o. s. v likvidaci
- World Adventure Golf Tour, z.s.
- W-K Expert CZ, z.s.
- Wine for Help z.s.
- WATER SKI WAKEBOARD CLUB HAVÍŘOV o.s. - WSWCH
- WestFree, občanské sdružení
- WeAreGuards, z.s.
- Wing Tsun klub Rumburk
- West Bohemia Racing z.s.
- West Coast Swing CZ, z.s.
- W 135
- Workout Mělník, z.s.
- Willow racing team
- W-club z.s.
- WHITE SOX - BASEBALL
- World MMA Federation z.s.
- WEST BOHEMIAN SKI TRAINING ACADEMY, z.s.
- WC MUŇÁRI TEAM
- W & I SPORT CLUB o.s.
- WINDSURF CLUB z. s.
- WATER & SNOW SKI CLUB, z.s.
- World MUSADO Association, z.s.