St. Peter's Seminary (Diocese of London, Ontario)

St. Peter's Seminary is a Roman Catholic seminary located in the Diocese of London, Ontario, Canada. The seminary is a fully accredited member of the Association of Theological Schools of the United States and Canada. St. Peter's Seminary is the major seminary of the Roman Catholic Diocese of London in Ontario. It is affiliated with King's University College, a Catholic affiliate of the University of Western Ontario. The current rector of St. Peter's Seminary is Denis Grecco.

St. Peter's Seminary is Canada's oldest English-speaking Roman Catholic diocesan seminary. Since it was founded by the Diocese of London in 1912, the seminary has produced more than 1,000 priests (including 23 who became bishops) and has educated permanent deacons and lay graduates.