Edwin Williams (rugby)
 Edwin Eddie Williams (born 1 July 1898 in Cwmllynfell — died 31 January 1983 in Swansea) was a Welsh dual-code international rugby union and professional rugby league footballer of the 1920s playing representative level rugby union (RU) for Wales and at club level for Swansea RFC and Neath RFC as a Fly-half i.e. number 10 and playing representative level rugby league (RL) for Wales and at club level for Huddersfield as a Stand-off/Five-eighth i.e. number 6.