Calum Chambers (born 20 January 1995) is an English professional footballer who plays as a centre-back or right-back for EFL Championship club Cardiff City.

[13][14] Chambers made his full debut for Southampton on 28 August 2012 in a 4–1 win over Stevenage in the second round of the League Cup,[15] coming on as an 84th-minute substitute for Dean Hammond and providing the assist for the final goal of the match by Ben Reeves.

[17] He made his first-team league debut on 17 August, when he played the full 90 minutes at right-back of the opening match of the 2013–14 season in a 1–0 win against West Bromwich Albion.

[22] On 10 August, Chambers made his competitive debut for Arsenal, playing the full 90 minutes of the 2014 FA Community Shield against Premier League champions Manchester City at Wembley Stadium.

[25] Following a strong start to the season, Chambers was nominated for the 2014 Golden Boy award, alongside international teammates Raheem Sterling, Luke Shaw and John Stones.

[26] He scored the first senior goal of his career and registered an assist on 1 November as Arsenal beat Burnley 3–0 in a Premier League home victory.

[43] Two days later, on 24 September 2019, Chambers played the full 90-minutes at right-back, providing three assists in Arsenal's 5–0 EFL Cup victory over Nottingham Forest.

[49] On 27 January 2022, Chambers joined fellow Premier League club Aston Villa on a free transfer, signing a three-and-a-half-year contract.

[54] On 12 July 2024, Aston Villa announced that Chambers would depart the club by mutual consent, due to his desire to play more first team football.

[57] In March, he played in all three of the team's matches in the 2012 UEFA European Under-17 Championship elite round, scoring their only goal of the tournament in a 1–0 win over Ukraine.

[63] Initially chosen for the under-21 team, Chambers moved into the senior squad ahead of European qualifiers against San Marino and Estonia in October 2014 due to an injury to Stones.

[64] He was given his first start on his second cap, against San Marino on 9 October at Wembley Stadium, playing at right-back ahead of his former Southampton teammate Nathaniel Clyne.

[69] Chambers was involved in the Amazon Original sports docuseries All or Nothing: Arsenal, which documented the club by spending time with the coaching staff and players behind the scenes both on and off the field throughout their 2021–22 season.