Jamaal Lascelles (/dʒəˈmɑːl ləˈsɛls/ jə-MAHL lə-SELSS; born 11 November 1993) is an English professional footballer who plays as a centre-back and is club-captain for Premier League club Newcastle United.

[8][9] He made his debut for Stevenage on 13 March 2012, coming on as a 69th-minute substitute in a 1–0 home win over Oldham Athletic, playing in the right-back position.

[10] He made his first starting appearance in Stevenage's 6–0 away victory at Yeovil Town on 14 April 2012, scoring the club's fourth goal with a header from Luke Freeman's cross.

[18] Lascelles broke into the starting line-up in the 2013–14 season,[19] forming a central defensive partnership with Jack Hobbs[20] and making a total of 29 league appearances.

[24][25] On 9 August 2014, Lascelles signed a contract with Premier League club Newcastle United, joining on the same day as Forest teammate Karl Darlow.

[29] Lascelles found first-team football hard to come by and did not make his first league start for Newcastle until 23 January 2016, when he played in the 2–1 defeat to Watford, capping his performance with a goal.

[31] Following injuries to first choice centre-backs Chancel Mbemba and Fabricio Coloccini, Lascelles was given regular minutes under new manager Rafael Benítez and gradually stepped up his game, grabbing his second goal for the club in the 3–0 win over Swansea City on 16 April.

[35] Despite requiring a double hernia operation, Lascelles played through the pain barrier for the last four months of the 2016–17 season,[36] determined to see the campaign out and ultimately captaining the club to promotion back to the Premier League.

[37] His solid performances at the beginning of the 2017–18 season led to him being nominated for the September Premier League Player of the Month award,[38] which was eventually won by Harry Kane.

[44] After the signing of Sven Botman in July 2022, Lascelles lost his starting place in the Newcastle United defence for the following season.