Gareth Williams (born 7 March 1988) is a Welsh rugby union player.
A scrum-half he has represented his country from Welsh Schoolboy level through to the Under 20's.
In 2008 he joined Harlequins and made his debut in the pre-season friendly against Connacht on 16 August 2008.
In December 2009, Williams joined Newport Gwent Dragons on a short-term loan arrangement from Harlequins.
[1] Williams left the Dragons in 2011, joining Pontypridd RFC during the summer months.