David "Dai" Morgan Davies (5 May 1902 – 22 February 1992) was a Welsh rugby union and professional rugby league footballer who played in the 1920s and 1930s. He played club level rugby union (RU) for Amman United and Neath and after changing codes to rugby league (RL) he played at international level for Wales and at club level for Broughton Rangers, Warrington, Huddersfield and Keighley, as a scrum-half. Dai Davies was on the losing side in four Challenge Cup finals with three separate clubs; Warrington (1928 and 1933), Huddersfield (1935), and Keighley (1937).