Gary Williams (born 1945) is an American basketball player and coach.
Gary or Garry Williams may also refer to:
Gary Williams (footballer, born 1959), English footballer for Blackpool, Swindon and Tranmere
Gary Williams (footballer, born 1960), English footballer for Aston Villa
Gary Williams (footballer, born 1963), English footballer for Bristol City and Oldham
Gary Williams (wrestler) (born 1972), Canadian wrestler
Gary Williams (singer) (born 1970), English singer
Gary Williams (English cricketer) (born 1965), former English cricketer
Garry Williams (New Zealand cricketer) (born 1953), former New Zealand cricketer
Gary Williams (politician), member of the Pennsylvania House of Representatives
Gary Williams (Australian footballer), Australian rules footballer
Gary Williams, former Ultravox member in the 1990s
Gary Williams, host of the Golf Channel's Morning Drive
Garry Williams (Australian footballer) (born 1956), Australian rules footballer
Garry Williams (gridiron football) (born 1986), American and Canadian football player
Garry Williams (theologian), English theologian and academic
Gary Anthony Williams (born 1966), American actor
Gary Richard Williams (1942–2008), American wrestler who wrestled under the ring name Gary Hart (wrestler)
Gary W. C. Williams (born 1936), former Canadian Football League player