Owen Williams is an outside half, born in Neath. Educated at Ystalyfera Comprehensive School, Williams played rugby for Ystradgynlais, Ospreys under-16 and Ospreys under-18 before joining the Scarlets in 2010. Between 2010 and 2012 he made 30 appearances for Llanelli RFC, including the 2012 Premiership final against Pontypridd. During this time he scored 119 points.
He made his senior debut for the Scarlets in an LV Cup match against the Dragons in February 2011, playing all 80 minutes. Williams has represented Wales at under-20 level and was a member of the squad that finished 3rd in the 2012 IRB Junior world Championships in South Africa.