FRK

FRK may refer to:


 * Federation of Russian Canadians
 * Finnish Red Cross (Swedish: Finlands Röda Kors)
 * Frankish language
 * Frégate Island Airport, in the Seychelles
 * Fructokinase
 * Funmilayo Ransome-Kuti
 * Fyn-related kinase
 * Martin Frk (born 1993), Czech ice hockey player