The Bishop of St Germans is an episcopal title which was used by Anglo Saxon Bishops of Cornwall and currently in use in the Church of England and in the Roman Catholic Church. The title is used by suffragan bishops of the Church of England, and is currently used by a suffragan bishop assistant to the Bishop of Truro of the Diocese of Truro. In the Roman Catholic Church, Sanctus Germanus is a titular see, used as the title for a bishop who is not in charge of a diocese.