Samuel Webster Allen (23 March 1844 – 13 May 1908) was an English bishop of the Roman Catholic Church. He was the Bishop of Shrewsbury from 1897 to 1908. Born at 78 Lord Street, Stockport, Cheshire on 23 March 1844, Allen was educated at St Mary's College, Oscott, then on scholarship entered the English College, Rome. He was ordained to the priesthood on 4 December 1870. He served as reporting stenographer at the Vatican Councils in 1869-1870. Ambrose Moriarty, the later sixth Bishop of Shrewsbury, also born in Stockport, was his nephew.