Eiryn Gwyne "Gwyn" Davies (23 June 1908 – 14 July 1992) was a Welsh dual-code international rugby union and professional rugby league footballer who played in the 1920s and 1930s. He played representative level rugby union (RU) for Wales, and at club level for Cardiff RFC, as a wing, i.e. number 11 or 14, and representative level rugby league (RL) for Great Britain (non-Test matches), and Wales, and at club level for Wigan, as a centre, i.e. number 3 or 5.