John Francis Noll (January 25, 1875 – July 31, 1956) was an American prelate of the Roman Catholic Church. He served as bishop of the Diocese of Fort Wayne in Indiana from 1925 until his death in 1956. Noll was active in national church organizations. In 1912, he founded the weekly newspaper Our Sunday Visitor. Noll was called one of the most influential Catholics of his day.