Keith Lynn Ackerman SSC (born August 3, 1946) is an American Anglican bishop. Consecrated as a bishop for the Diocese of Quincy in the Episcopal Church, he is currently the bishop vicar of the Diocese of Quincy of the Anglican Church in North America and Assisting Bishop of Fort Worth. On July 1, 2020, he was appointed as Interim Bishop of the Diocese of the Southwest, by the Most Rev. Foley Beach, Archbishop and Primate of the Anglican Church in North America, concluding that ministry with the consecration of the new Bishop.