Sydney Arthur Monckton Copeman K.St.J FRS FRCP (21 February 1862 – 11 April 1947) was a British medical doctor and senior medical officer in the Ministry of Health. He was the eldest son of Rev Arthur Charles Copeman, Vicar of St Andrew's Norwich. He was educated at Norwich School and Corpus Christi College, Cambridge from which he graduated in 1882. He went on to undergo medical training at St Thomas' Hospital, London, qualifying in 1886. He obtained a post-graduate MD at Cambridge University in 1890.