Peter Vaghi is an American Catholic priest in the Archdiocese of Washington and a former lawyer associated with several noted American jurists. He currently serves as the Chaplain of the John Carrol Society. In 2025, Archbishop Emeritus of The Archdiocese of Washington, Cardinal Wilton Gregory, accepted Monsignor Peter Vaghi's retirement. Prior to his retirement, he was the pastor of The Church of The Little Flower in Bethesda, Maryland, as well as previously pastor of St. Patrick's Church in Washington, D.C.