Grgur Kurjaković or Gregory of Corbavia (Italian: Gregorio di Corbavia; fl. 1324–1360), was a Croatian knez (duke or count) of Krbava, one of the most notable Croatian magnates, in the service of the Hungarian kings. Grgur was a member of the Kurjaković family, from the tribe of Gusić. His grandfather was Kurjak (Curiacio), count of Corbavia. He had two brothers, Budislav and Pavao (ital. Paolo). At least since 1324 was in royal service, as knight of the court, župan of Fejér County and castellan of Hasznos. He is mentioned having stolen two katuni of Morlachs from his nephew Ivan Nelipčić.