Eifion Lewis-Roberts (born 13 February 1981 in St Asaph, Denbighshire, Wales) is a former Welsh international rugby union player. A Prop forward, Roberts was selected for the Wales national rugby union team for the Autumn internationals series in October 2008, playing his first game on 14 November against Canada. Roberts is a fluent Welsh speaker. On 18 January 2010 he was named in the 35-man Wales national Squad for the 2010 Six Nations Championship. Lewis-Roberts retired from rugby in September 2017 after suffering a knee injury.