Barry Williams

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