Peter Kőszegi 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.

The Archdiocese of Veszprém is a Latin Church archdiocese of the Catholic Church in Hungary. Believed to have been established in 1009 AD by King Stephen I of Hungary, as the Diocese of Veszprém, the diocese was originally a suffragan to the Archdiocese of Esztergom. In 1992, the Diocese was elevated to an Archdiocese. The Archdiocese is the Metropolitan of the Diocese of Kaposvár and the Diocese of Szombathely.