Gerald Williams (born 21 October 1954) is a Welsh former rugby union international.
Born in Swansea, Williams attended Heol Gam Comprehensive School.
Williams was a scrum-half, who played a lot of his rugby with Bridgend RFC, notably captaining them to a win over Australia at Brewery Field in 1981. He gained four Wales caps across the 1981 and 1982 Five Nations Championships.
Retiring as a player at age 34, Williams was briefly coach of the Glamorgan Wanderers.
Williams joined South Wales Police in 1989, initially as a crime scene investigator, before beginning a long career as a fingerprint laboratory technician two years later. He was involved in investigating the scene of the Clydach murders.