Captain Willoughby Greaves Beauchamp CBE, VRD (5 April 1890 – 24 February 1960) was a British merchant. He served as the Commanding Officer of the Ceylon Royal Naval Volunteer Force from its formation in 1938 to 1946. Born to Willoughby James Beauchamp and Elizabeth Maria in Madras, Beauchamp was educated at Cheltenham College. He then moved to Ceylon becoming a Tea and Rubber merchant. There he was commissioned into the Ceylon Planters Rifle Corps. He married Kathleen Alice of Dr. W. B. Benison on 8 April 1912. They had three daughters.