William Turner (April 8, 1871 – July 10, 1936) was an Irish-born prelate of the Roman Catholic Church who served as bishop of the Diocese of Buffalo in New York from 1919 until his death in 1936.

He received his episcopal consecration on March 30, 1919, from Cardinal James Gibbons,[3] with Bishops Denis J. O'Connell and Michael Curley serving as co-consecrators.

In July 1919 he was down in Cattaraugus County administering confirmation at St. Patrick's in Salamanca and the next day consecrated the Church of St. Mary of the Angels in Olean, New York.

[6] Later that year, William Turner celebrated the feast of the recently canonized North American Martyrs with a solemn pontifical high Mass at the Church of Saint Vincent de Paul in Buffalo.

William Turner died in Buffalo on July 10, 1956, at age 65 and was buried at Mount Olivet Cemetery in Tonawanda, New York.