Idris Arthur Towill (12 November 1909 – 21 September 1988) was a Welsh rugby union and professional rugby league footballer who played in the 1930s and 1940s. He played representative level rugby union (RU) for and Glamorgan and at club level for Bridgend RFC, and representative level rugby league (RL) for Wales, and at club level for Huddersfield, Keighley, Castleford (Heritage No. 236) and Oldham (Heritage No. 394) (World War II guest during the 1941–42 season), as a centre or stand-off.