William Archer Redmond DSO (1886 – 17 April 1932) was an Irish nationalist politician. He served as an MP in the House of Commons of the United Kingdom of Great Britain and Ireland as well as a Teachta Dála (TD) of Dáil Éireann. He was one of the few people to have served in both the House of Commons and in the Oireachtas. During World War I served as officer with an Irish regiment on the Western Front. He was the son of John Redmond the leader of the Irish Parliamentary Party from 1900 to 1918, and was one of a dynasty of Liberal and Irish Nationalist politicians who are commemorated in Redmond Square in Wexford town.