Peter Kőszegi (Hungarian: Kőszegi Péter; killed May 1289) was a Hungarian prelate in the 13th century, who served as Bishop of Veszprém from 1275 until his death. He was also unrecognized Archbishop-elect of Esztergom between 1277 and 1278. As a member of the powerful Kőszegi family, he subordinated his diocese to his family's political interests in order to extend their influence over Western Hungary.