William Glynne Charles Gladstone (14 July 1885 – 15 April 1915) was a Liberal Party politician in the United Kingdom, and the last of four generations of Gladstones to serve in the House of Commons, the first being his great-grandfather Sir John Gladstone(s) (1764–1851). He was elected as the Member of Parliament (MP) for Kilmarnock Burghs at a by-election in 1911. A whip in Asquith's government, he served only 4 years in Parliament before being killed in action while a Lieutenant in the Royal Welch Fusiliers in World War I. His uncle Herbert wrote a memoir of him.