Leighton Owen Clarkson (born 19 October 2001) is an English professional footballer who plays as a midfielder for Scottish Premiership club Aberdeen.

[5] Clarkson made his professional debut for Liverpool on 17 December 2019, coming on as a substitute in the away match against Aston Villa in the quarter-finals of the EFL Cup.

[5] On 4 February 2020, he played in the FA Cup 4th Round replay against Shrewsbury Town, winning 1–0 in the youngest-ever Liverpool side in history.

[7] On 9 December 2020, he was named in the starting eleven for a Champions League group stage game against Danish side FC Midtjylland.

[8] On 16 August 2021, it was announced that Clarkson would join hometown club Blackburn Rovers on a season-long loan deal.