Mark John Shelton (born 12 September 1996) is an English professional footballer who plays as a midfielder for National League club Barnet.

[16] On 16 November 2019, it was confirmed by manager, Alan Dowson that Shelton's loan spell had been terminated, following limited game-time opportunities.

[18] Shelton made his league Hartlepool debut in a 1–0 victory against Dagenham & Redbridge and scored his first goal in a 2–1 win against Eastleigh.

[23] Shelton played in the 2021 National League play-off final as Hartlepool drew 1–1 with Torquay United at Ashton Gate, Bristol.

[26] In April 2022, Shelton was ruled out of the Scunthorpe United fixture after a cotton bud was stuck in his ear, forcing him to go to hospital to remove it.

[30][31] On 20 January 2023, Shelton signed for National League side Oldham Athletic on a deal until summer 2025.

[34] On 13 June 2024, the same day as his departure from Oldham was announced, Shelton agreed to join fellow National League side Barnet.