Associations, societies and clubs ("spolky"): Y
- Y - Open, z.s.
- Y-Club, z.s.
- Y. C. Zlín v likvidaci
- Y.C. Markop FL, z.s.
- Y.C. Nové Sedlo
- YACET-MLÁDEŽ, UMĚNÍ A KREATIVITA V EVROPĚ
- YACHT CLUB A.N.V.
- Yacht Club Actinet v likvidaci
- Yacht club ANCORA
- Yacht Club ARCHER, z.s.
- Yacht Club Baník Most z. s.
- Yacht Club BER Slezská Harta o.s.
- Yacht Club Bohemia o.s.
- YACHT CLUB BOHEMIA z. s.
- Yacht club Bystrc Brno z.s.
- YACHT CLUB CERE, z.s.
- YACHT CLUB Chrášťany z.s.
- Yacht club D.I.M. Bezdrev z.s.
- YACHT CLUB DOKSY, spolek
- Yacht Club DRAGON 77
- YACHT CLUB Dvořiště - Lišov, z.s.
- YACHT CLUB FRYMBURK
- YACHT club Jablonec n.Nisou
- Yacht club Jeseník z.s.
- YACHT CLUB KLADNO z.s.
- YACHT CLUB KOLODĚJE
- Yacht Club Kotva Praha, z.s.
- Yacht Club Kovářov z.s.
- Yacht Club Kozmice - občanské sdružení
- Yacht club Krnov z.s.
- Yacht club Labe z. s.
- Yacht Club Lanškroun, z.s.
- YACHT CLUB LESKOVEC, z.s.
- Yacht club Letovice
- Yacht Club Lipno nad Vltavou, z.s.
- Yacht club Lipno z.s.
- YACHT CLUB MARINA VLTAVA, z.s.
- YACHT CLUB MEZ VSETÍN, z.s.
- YACHT CLUB MILEVSKO z.s.
- YACHT CLUB MILEŠOV z.s.
- YACHT CLUB MISTRAL
- Yacht Club Nautilus Praha
- YACHT CLUB NECHRANICE
- Yacht Club NEPTUN Komárov z.s.
- Yacht Club Nový Jičín z.s.
- YACHT CLUB ORLÍK, z.s.
- Yacht Club PARS, z.s.
- Yacht Club Poseidon Praha z. s.
- YACHT CLUB PŘÍBRAM, z.s.
- Yacht Club Rabyně-Babor v likvidaci
- YACHT CLUB RAZOVÁ z. s.
- YACHT CLUB REGENT z.s.
- Yacht Club ROLLING BOTTLES, z.s.
- Yacht Club ROSO Břevnov v likvidaci
- Yacht club Rozkoš v likvidaci
- YACHT CLUB SALAŠ
- Yacht club Santa Maria v likvidaci
- YACHT CLUB SaS, z.s.
- YACHT CLUB SILŮVKY, z.s.
- Yacht Club Skochovice
- Yacht Club Slezan Opava, z.s.
- Yacht club Slezská Harta z.s.
- Yacht Club Solenice, z. s.
- Yacht Club Staré Město Praha, z.s.
- Yacht Club Tachov z.s.
- Yacht club UNICORN, z. s.
- Yacht Club Velké Dářko o.s.
- Yacht Club Vlhká plachta, z.s.
- Yacht club Vranovská přehrada z.s.
- YACHT CLUB Vysoké Mýto z.s.
- Yacht Club Yachta´s z.s.
- Yacht club Znojmo, z.s.
- Yacht club Ústí nad Labem z.s.
- Yacht club ČSA, v likvidaci
- Yacht Club Řež z.s.
- Yacht Club Říčany
- Yacht klub CERE Plzeň
- Yacht klub J.J.J., z.s.
- YACHT KLUB JESENICE z.s.
- Yacht klub Jestřábí, z.s.
- Yacht klub Junior Praha
- Yacht klub Mělník z.s.
- YACHT KLUB ORLÍK - BOR z.s.
- Yacht klub Strážnice, z.s.
- Yacht life Seč, z.s.
- Yacht Racing Team z.s.
- Yachtclub Jinočany, z.s.
- Yachtclub Balaton 24 z.s.
- YACHTCLUB BANÍK OSTRAVA
- YachtClub Dyje z.s.
- Yachtclub Pardubice, z.s.
- YACHTCLUB PASOHLÁVKY z. s.
- YACHTCLUB PETROV z.s., v likvidaci
- YACHTGROUP.CZ
- Yachting CZE, z.s.
- Yachtmeni, z.s.
- YAD Albert z.s.
- YAGANA Lucky zone, z.s.
- YAHÚ Team Kostelec, z.s.
- Yak55 Aerobatic Team z.s.
- YAKSHA GYM PLZEŇ z.s.
- Yale Model Government Europe CZ, o. s.
- Yamaha Star Czech Republic z.s. "v likvidaci"
- YAMAHA TEAM Petr Kalášek z.s. v likvidaci
- YAMAMOTO Czech z.s.
- Yamka Minigolfclub Butovice, z. s.
- YANDEROV, z. s.
- Yangame Gym
- Yankee and Confederate Artillery Club Y.A.K.A.C.
- YARD RESORT, z.s.
- YC CoolStar, z.s.
- YC Frymburk z. s.
- YC GRAF o.s. v likvidaci
- YC Lískovec z.s.
- YC PanCzech, z.s.
- YC Píšťany - vodní sporty
- YC RODOP, z.s.
- YC to Stella z.s.
- YCO - Yacht Club Ohrada, z.s.
- YCR - Jachting Roudnice nad Labem, z.s.
- YEAH, z.s.
- yeah-but-still z.s.
- YELLOW FEVER CLUB o.s.
- Yellow Hills z. s.
- YELLOW LINE z.s.
- Yellow Sisters z. s.
- YERBABUENATEAM
- Yerlango o.s.
- YES o.s.
- Yes z.s.
- YESYES z.s.
- YETI RESCUE,z.s.
- Yettey v likvidaci
- Yetti Club Trutnov z. s.
- YettiOn, z.s.
- yFilm
- YFU CZ, z.s.
- Ygdrassil, z.s.
- Yggdrasil Yoga z. s.
- YIMBY Praha, z.s.
- YMCA - Živá rodina
- YMCA Braník
- YMCA Brno
- YMCA DAP
- YMCA Děčín
- YMCA Hradec Králové
- YMCA Husinec
- YMCA Jindřichův Hradec
- YMCA Letohrad
- YMCA LIBEREC
- YMCA Nejdek
- YMCA Olomouc
- YMCA Orlová
- YMCA Ostrava-Poruba
- YMCA Pelhřimov, z. s.
- YMCA Plzeň, z. s.
- YMCA Podivín, z. s.
- YMCA Praha
- YMCA Setkání
- YMCA Sever, z. s.
- YMCA SKAUT
- YMCA Strmilov
- YMCA Třebechovice
- YMCA v České republice
- YMCA Ústí nad Labem
- YMPAL- SPORT, o.s.
- Ynnovations - Institut pro znalostní společnost v likvidaci
- yo-yo, z. s.
- Yobi Take Puraha Shakuhachi Collegium z.s.
- Yoda Mentorship Programme, z.s.
- Yoga Experience Center, z.s.
- Yoga fest České Budějovice z. s.
- Yoga House, z.s.
- Yoga Ostrava, z.s.
- Yoga retreat club z.s.
- Yoga Slavičín, z.s.
- Yoga Surya International, z.s.
- Yoga Therapy Praha, z. s.
- Yogadana, z.s.
- YogafestZLÍN z.s.
- YOGASHRAMA, spolek
- YogFest z.s.
- Yoki Home, z.s.
- YORE - Občanské sdružení přátel historie
- Yorkshire Terrier klub chovatelů a jeho přátel, z.s.
- Yoshinkan Nové Město nad Metují, z.s.
- You can do it!, z.s.
- you connected, z.s.
- youmove z.s.
- Young Brothers Gym z. s.
- Young Challengers, z.s.
- Young Czech Arbitration Professionals, z.s.
- Young czech talents o.s.
- Young Folks o.s.
- Young Glass Symposium z.s.
- Young Golf Champions z.s.
- Young Initiative z.s.
- Young Leaders CZ z.s.
- Young MBSA
- Young Planeswalkers
- YOUNG TALENTS, z. s.
- YOUNGTIMER - Česká republika, z.s.
- Youngtimer Cars Club, z.s.
- YOUNGTIMER CLASSIC SPORT CARS CLUB, o.s.
- YounGuns Brno, z.s.
- YOUnique z.s.
- YOUnited z. s.
- Your Cooking Project, z.s.
- YOUR FREESTYLE ACADEMY z.s.
- Your Freestyle, o.s. v likvidaci
- Youth and Environment Europe Czech Republic
- Youth and Students for Peace Czech Republic z.s.
- Youth and World z. s.
- Youth Business Network
- Youth Europa Czechia z.s.
- Youth For Christ Immanuel, z.s.
- Youth For Future, z.s.
- Youth for Youth, z.s.
- Youth in Czech Republic, z.s.
- Youth Included, z. s.
- YOUTH LEADERSHIP EUROPE v likvidaci
- Youth Prague z.s.
- Youth Progress, z.s.
- YOUTH ROMA PARLIAMENT, z. s. v likvidaci
- Youth+ z.s.
- Youth4Ova, z.s.
- Youthink z.s. v likvidaci
- YPG Evropa, z.s. v likvidaci
- YPJ Evropa, z.s. v likvidaci
- YPO Czech Chapter z. s.
- YROBAT z.s.
- Yukiyama dojo, z. s.
- Yvajuk z. s.
- Yves Hélory, z. s.
- Yves Nice
- Yvonne Lombardo
- Yvontek, z.s. v likvidaci
- YWAM ČR z.s.
- YWCA v České republice v likvidaci
- YZENGRIN z. s.