Jordan Luke Thorniley (born 24 November 1996) is an English professional footballer who plays as a defender for EFL Championship club Oxford United.

[3][7][8] Shortly after signing a professional contract with Everton, he moved on loan to Stockport County that same month.

[10] After his loan spell at Stockport County came to an end, Thorniley then featured for the U21 side for the remainder of the season.

"[14] After being released by Everton, Thorniley signed for Championship side Sheffield Wednesday in July 2016,[15][16] Although he first appeared as unused substitute for the match against Cambridge United, which they lost 2–1 in extra time in the first round of the League Cup, Thorniley spent most of the 2016–17 season playing for the side.

[21] Thorniley made his Accrington Stanley debut, where he started the whole game in the left-back position, in a 2–1 win over Morecambe on 2 September 2017.

[27] Shortly after his loan spell at Accrington Stanley came to an end, Thorniley appeared as an unused substitute in a 0–0 draw against rivals Sheffield United on 12 January 2018.

[28] He then made his Sheffield Wednesday debut, starting alongside Frederico Venâncio and Daniel Pudil in a three-man defence, in a 0–0 draw against Cardiff City on 20 January 2018.

[36][37] It wasn't until on 11 August 2018 when he made his first appearance of the season, coming on as a substitute for Morgan Fox in the 44th minutes, in a 1–1 draw against Hull City.

Ahead of the 2019–20 season, Thorniley left the club's pre-season training camp in Portugal after picking up an injury.

[65] On 14 March 2023, Thorniley scored his first professional goal in Blackpool's 6–1 win against Queens Park Rangers.