Gavin Bennion (born 31 December 1993) is a former Wales international rugby league footballer who last played as a or for the Widnes Vikings in the RFL Championship.
Bennion was born in Warrington, Cheshire, England.
Bennion has previously played for the Mackay Cutters and spent time on loan at the Swinton Lions, Oldham RLFC and Featherstone Rovers.
On 11 Jul 2020 it was reported that he had signed for Rochdale Hornets in the RFL League 1
On 30 Oct 2024 it was reported that he had signed for Widnes Vikings in the RFL Championship on a 1-year deal.
On 28 November 2025 he announced his retirement from professional rugby
He was selected in the Wales 9s squad for the 2019 Rugby League World Cup 9s.