Charles Clements, 5th Earl of Leitrim (23 June 1879 – 9 June 1952), styled Viscount Clements until 1892, was an Irish nobleman. Clements was the only son of Robert Clements, 4th Earl of Leitrim, whom he succeeded in 1892. He was educated at Eton and Christ Church, Oxford. Leitrim was commissioned a second lieutenant in the 5th Battalion, Rifle Brigade (Prince Consort's Own) on 9 February 1898 and promoted to lieutenant on 7 December. He joined the 9th (Queen's Royal) Lancers as a second lieutenant to fight in the Boer War. While serving with the 13th Imperial Yeomanry, Leitrim was captured at Lindley. He was promoted lieutenant in the 9th Lancers on 5 July 1901 but resigned his commission on 21 June 1902 after the close of the war.