Barry Williams may refer to: Barry Williams (politician) (1928–2005), British boilermaker, trade unionist, and Communist Barry Williams (spree killer) (1944–2014), British spree killer Barry Williams (athlete) (born 1947), British hammer thrower Barry Williams (actor) (born 1954), American actor Barry Williams (rugby league) (active 1990-96), professional rugby league footballer Barry Williams (rugby union) (born 1974), Welsh international rugby union player Barry Williams (skeptic) (1938-2018), Australian skeptic