Cyril C. Smith was a Welsh professional footballer who played as an inside left in the Football League for Charlton Athletic.
Smith served in the Royal Welch Fusiliers until 1913 and served as a private in the Middlesex Regiment's 1st Football Battalion during the early years of the First World War. He was gassed at Delville Wood during the Battle of the Somme and was evacuated to a hospital in Liverpool. Smith ended the war as a private in the Royal Army Medical Corps.