Sam Barnes (born 16 October 1991) is an English footballer who plays as a defender for Cymru Premier club Aberystwyth Town. A former Liverpool schoolboys player, he first played for the Stockport County Under 18 team whilst still at school. His twin brother Louis Barnes was also part of the Under 18 side and was, along with Sam, given a squad number for the first team in the 2009/10 season. In August 2010 both of the Barnes twins went on trial at Manchester United and played for United's reserve team in a pre-season 2–0 win over Altrincham. On 20 June 2020, Barnes joined Aberystwyth Town.