Rhys Williams (born 14 July 1988) is an Australian professional footballer who plays for Saudi Arabian club Al-Qadsiah and the Australia national team.
A very versatile player, Williams is adept at playing as a centre back, defensive midfielder and right back but has played in virtually every out-field position at some point for Middlesbrough including more attacking roles.
In August 2012, Williams was made club captain of Middlesbrough.