Gareth John Williams (born 19 December 1979) is a Welshrugby union footballer who normally plays at hooker and is currently with Cardiff Blues. He was previously with his hometown club of Bridgend. He made his debut for Wales against France as a substitute in 2003. He made his first start for Wales against Scotland that same year.
On 18 January 2010 he was named in the 35 man Wales national Squad for the 2010 Six Nations tournament.