Barry Christopher Knestout (born June 11, 1962) is an American prelate of the Roman Catholic Church. Knestout has been serving as the 13th bishop of the Diocese of Richmond in Virginia since 2017. Previously, Knestout served as the priest secretary for Cardinal James Hickey and then-Cardinal Theodore McCarrick. Knestout also served as an auxiliary bishop of the Archdiocese of Washington, assisting Cardinal Donald Wuerl.