Jack Stephens (born 27 January 1994) is an English professional footballer who plays as a defender for and captains Premier League club Southampton.

[13][14] Stephens made his first-team debut for Southampton in a 2–1 FA Cup win against Coventry City on 7 January 2012, coming on as a second-half substitute for Dan Harding.

[19] He scored his first career goal on 17 January 2015, heading Harry Toffolo's cross to open a 3–1 win over Chesterfield at the County Ground.

[20] On 31 July 2015, Stephens signed a two-year contract extension, taking his deal to the summer of 2019, and subsequently completed a season-long move to Championship side Middlesbrough.

[23][24] Stephens made his Premier League debut on 2 January 2017, coming on as a first half substitute replacing the injured Cédric Soares, in a 3–0 defeat at Everton.

[39] Before his loan move to AFC Bournemouth, Stephens made two appearances for Southampton in a 4–1 defeat against Tottenham Hotspur and a 2–2 draw against Leeds United.

[47][48] During a 2–1 victory against Queens Park Rangers on 26 August 2023, Stephens was forced off in the first half after suffering an injury to his left leg, with manager Russell Martin stating the club may need to "fear the worst".

[52] On 14 September 2024, Stephens received a red card during a 3–0 home defeat against Manchester United for a foul on Alejandro Garnacho, which resulted in a three-match suspension.

[53][54] He subsequently received a £50,000 fine and a further two-match suspension for misconduct after Stephens admitted to using abusive and insulting language towards referee Stuart Attwell and fourth official Gavin Ward.

[55][56] On 4 December 2024, Stephens received another red card during a 5–1 home defeat against Chelsea for pulling the hair of Marc Cucurella and was suspended for four matches.

[60] Later in the year he made the step up to the under-19 team, making his debut on 26 September in a 3–0 win over Estonia in the qualifying stages of the 2013 European Championships,[59] playing the full 90 minutes.