- WGA z.s.
- Westernový klub HIDALGO
- WIFI-Tábor
- W-Klubík, z.s.
- Wilson tenis centrum z.s.
- Work Servis Agency z.s. v likvidaci
- Wallachia Art z.s.
- W United Universal
- WIZARDS Krupka, o. s.
- WELLNESS CLUB INTERNATIONAL
- World Reunification, z. s.
- World Insignia Collectors Union
- WERKADD TEAM z.s.
- Windows User Group - Czech Republic
- Workshop Street ND z.s.
- WKS Praha, spolek
- Westernové městečko Stonetown, z.s.
- WIND o.s.
- WESTMOTO RACING TEAM
- Waldorfská pedagogika, z.s.
- Wakeboarding z. s.
- WOLF GEO GROUP v likvidaci
- Weekend World, z.s. v likvidaci
- World contac club, Praha v likvidaci
- WICHA, z. s.
- Waldorfské sdružení Ostrava, z.s.
- W-iniciativa Boskovice,z.s.
- Waldhof z.s.
- WARRANT SPORT CLUB o.s.
- WÁŽKA z.s.
- Workout Brno z.s.
- WAY TO YOUR HEART z.s. - zkrácený název spolku WTYH
- WB RACING TEAM, z.s.
- WANGARI, z.s.
- Western ranč Na Samotách
- W.B. o.s.
- W-K Expert CZ, z.s.
- WIST Dubenec, z. s.
- WIFI-Loučka
- Wesmile, z. s.
- Weightlifting club Brno, z.s.
- We exhibit o.s.
- Wild Water Canoe Club FROL, z.s.
- WHITE SOX - BASEBALL
- Willík - spolek pro Williamsův syndrom, z.s.
- Wrak Gang
- WE SUPPORT WLB, z.s.
- WAIDI z.s.
- WhyNot CC z. s.
- WT - PRO Racing, z.s.