RKK

AcronymDefinition
RKKRooms Katholieke Kerk (Dutch: Roman Catholic Church)
RKKRegionális Kutatások Központja (Hungarian: Center for Regional Studies)
RKKRissho Kosei-Kai (Buddhist movement)
RKKRummel, Klepper and Kahl, LLP (Richmond, VA)
RKKRegionalverband Karnevalistischer Korporationen (Croatian: Regional Carnival Corporations)
RKKRunda Kumpalan Kecil (Malay; Thai militant group)
RKKRahvusvaheline Kaitseuuringute Keskus (Estonian: International Center for Defence Studies; EU)
RKKRyukyu Kenpo Kata (martial art)