W. Glyn Morgan (birth unknown) is a Welsh former rugby union and professional rugby league footballer who played in the 1930s, 1940s and 1950s. He played club level rugby union (RU) for Cardiff RFC, as a scrum-half, i.e. number 9, and representative level rugby league (RL) for Wales, and at club level for Huddersfield and Cardiff RLFC, as a scrum-half, i.e. number 7.