- Waldorfská základní škola Ratolest z.s.
- Water Rescue Praha z. s.
- WAHA, o.s.
- Wolfs Domažlice, z.s.
- WarField Events z.s.
- Wannado, z.s.
- Wycliffovi překladatelé Bible, z.s.
- WČK v likvidaci
- Wikisofia, z. s.
- Wings - for us, o. s. v likvidaci
- Workout Boxing Ring Gym z.s.
- Well-being centrum, z.s.
- Westernový klub, Větřní
- WW club Prague v likvidace
- Worldlive, o.s.
- WCS Prague, z. s.
- WIRELESSINFO, z.s.
- Wonder women racing team z.s.
- Wietew z.s.
- WAOCOM
- WLB Golf Club, z.s.
- WG, z.s.
- Wakitaka, z.s.
- WWOOF Czechia, z.s.
- Watermans, z.s.
- Way of art z.s.
- World Martial Arts Games Committee, spolek
- Western Motorbike, z.s.
- Watsu Czech CZ z.s.
- Waldorfská pedagogika, z.s.
- Wellness Club Kolín
- Wohlmannův statek z.s.
- Wenchang Wang, z.s.
- Wikov SKI Skuhrov nad Bělou, z.s.
- World professional kick boxing league Česká Republika
- Waterboys team
- WALNUT Institut, z.s.
- Wakeboard Club Ostrava
- Wendy Basket Ostrava
- Wrak Gang
- Windy Hill Ranch Krajková z.s.
- Wild Horde z.s.
- Wakeboarding Jablonec, o.s.
- World Chun Kuhn Taekwondo Czech Republic z.s.
- Wiking Gold Team, z.s.
- Waldorfské sdružení Ostrava, z.s.
- Wakan z. s.
- Word of Life ČR, z.s.
- Winter Hockey Days z.s.
- Wallachia Art z.s.