- World Experience - Czechia v likvidaci
- Whisky&You z.s. v likvidaci
- World Traditional Karate-do Federation, z.s.
- Wietew z.s.
- W alternativa, z.s.
- Wellness Club Podolí, z.s.
- West Žab United z.s.
- Wi-Fi-Vit Network z.s.
- Winnerś squash club Praha
- W-CARP, z. s.
- WING 49 CZ, z. s.
- White Bears Hokej v likvidaci
- West Region Karlovy Vary
- WORLD FEDERATION OF NEUROSURGICAL SOCIETIES z.s.
- Welfare Sport Club
- World Association of Bioresonance & Systemic Information Therapy, o.s.
- Wakan z. s.
- WERDER BRNO
- Wakeboard Club Ostrava
- Workshop Street ND z.s.
- WAHA, o.s.
- WILD WEST COMPANY z.s.
- Water Lily Sport Club z. s.
- Women in Tech, z. s.
- W. W. KAJAK KLUB Ostrava, z.s.
- WHISPER-občanské sdružení
- WCS Prague, z. s.
- Willík - spolek pro Williamsův syndrom, z.s.
- Western Sports Association, z.s.
- WČK v likvidaci
- Wittinghausen z.s.
- Westerners International-CZ z.s.
- World of Tomorrow, z.s.
- Wagner club, v likvidaci
- World Author Association o.s.
- WWW.BEZINKA.EU, z.s.
- W. W. Würfel International Society, z. s.
- World team of dream HC Loučky
- Weightlifting club Brno, z.s.
- Watchdog, z. s.
- W-spolek, z.s.
- WATCHER, o.s.
- Well-being centrum, z.s.
- Wai Fighting Academy, z.s. v likvidaci
- Workout Hodonín z.s.
- WING of Youth, z.s.
- WICHA, z. s.
- W-K Expert CZ, z.s.
- Western Motorbike, z.s.
- Wine for Help z.s.