Neil or Neal Williams may refer to:
Neil Williams (artist) (1934–1988), American painter Neil Williams (cricketer) (1962–2006), British cricketer Neil Williams (pilot) (1934–1977), Welsh aerobatics pilot Neil Williams (water polo) (1918–1998), New Zealand water polo player Neal Williams (ecologist), American pollination ecologist Neal H. Williams (1870–1956), American physicist Neil 'Roberto' Williams (born 1978), British radio presenter Neil Wynn Williams (1864–1940), British novelist and writer