Mark John Shelton (born 12 September 1996) is an English professional footballer who plays as a midfielder for National League club Barnet. Shelton came through the ranks at Burton Albion, signing his first professional contract in May 2015. He continued his career in non-League, initially with Ilkeston and Alfreton Town. He signed for Salford City and won two back-to-back promotions with the Ammies. In his third season, Shelton had loan spells with Woking and Hartlepool United. After impressing with Hartlepool, he signed a permanent deal with them. In his first full season with the club, he won promotion via the play-offs. In January 2023, Shelton moved to Oldham Athletic. At the end of his second season with Oldham, Shelton moved to Barnet.