Gregory Bicskei (died 7 September 1303) was a prelate in the Kingdom of Hungary at the turn of the 13th and 14th centuries. He was the elected Archbishop of Esztergom between 1298 and 1303. He crowned Charles I of Hungary king with a provisional crown in 1301. He was murdered in Anagni by soldiers whom Philip IV of France had sent to Italy to capture Pope Boniface VIII.