Simon Williams may refer to: Simon Williams (actor) (born 1946), English actor best known for playing James Bellamy in Upstairs, Downstairs Simon Williams (athlete) (born 1967), English shot put and discus athlete Simon Williams (sociologist) (born 1961), professor of sociology at the University of Warwick Simon Williams (bassist) (born 1973), bassist and backup singer to ska-punk band Goldfinger Simon Williams (chess player) (born 1979), English chess player, grandmaster Simon Williams (cricketer) (born 1970), former English cricketer Simon Williams (Royal Navy officer) Simon Channing Williams (1945–2009), British film producer Simon Williams (artist) (born 1973), Welsh comic artist Simon Williams (rugby league) (born 1989), rugby league player Simon Williams (weightlifter) (born 1920), Jamaican Olympic weightlifter Simon Williams, the real name of Marvel Comics superhero Wonder Man