William Morgan (birth unknown – death unknown) 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 Newport RFC, as a forward, and representative level rugby league (RL) for Wales, and at club level for Wigan (Heritage No. 347), as a prop, i.e. number 8 or 10, during the era of contested scrums.