Francis William Lionel Collings Beaumont (6 August 1903 – 4 May 1941), also known as F. W. L. C. Beaumont or “Buster" Beaumont, was the heir to the Seigneur of Sark, a Royal Air Force officer, film producer and the husband of actress Mary Lawson. He and Lawson were killed in 1941 during the Liverpool Blitz.