Frank Moxon Stout MC (21 February 1877 – 30 May 1926) also referred to as Frank Moxham Stout, was an English international rugby union forward who played club rugby for Gloucester and Richmond. Stout played international rugby for England and was selected for the British Isles on two tours in 1899 and 1903. On the 1899 tour of Australia he acted as on field captain for three of the Tests.