Colonel Sir (Alexander) Weston Jarvis CMG MVO TD (26 December 1855 – 31 October 1939) was a British Conservative Party politician and officer in the British Army. He served in the Matabele Rebellion, Boer War and First World War. He was educated at Harrow School. He was knighted on 26 February 1931, for his work as chairman of the council of the Royal Empire Society.