Rodney or Rod Williams may refer to:
- Rod Williams (American football) (born 1973), offensive/defensive lineman
- Rod Williams (Canadian football) (Roderick Williams, born 1987), Canadian football defensive back
- Rod Williams (Australian footballer) (born 1948), played 3 matches for South Melbourne in the VFL
- Rod Williams (Welsh footballer) (Roderick Williams, 1909–1987), Welsh footballer
- Rodney Williams (punter) (born 1977), American and Canadian football punter
- Rodney Williams (tight end) (born 1998), American football tight end
- Rodney Williams (wide receiver) (born 1973), American football wide receiver
- Rodney Williams (basketball) (born 1991), American basketball player
- Rodney Williams (governor-general) (born 1947), governor-general of Antigua and Barbuda
- Rod Williams, character in Get Out