Adam Barrett

Crystal Palace Barrett signed a two-year contract for Crystal Palace on 6 July 2010. Barrett made his Palace debut on 10 August 2010, in a 0–1 win against Yeovil Town. He made his league debut in just over a week later against Ipswich Town. He played his last game for the club in a 1–1 draw against Watford in February 2011.

Leyton Orient On 11 March 2011, Barrett returned on a month's loan to his first club Leyton Orient.

AFC Bournemouth Barrett signed a two-year deal with AFC Bournemouth on 5 July 2011. Barrett scored against his former club Crystal Palace in a pre-season friendly against them on 30 July. The newly appointed captain then netted his first competitive Cherries goal in his first home league match; a 2–0 win over Sheffield Wednesday on 13 August 2011.

Gillingham On 16 August 2012, Barrett signed a one-year deal with Gillingham with the option for the contract to be extended to two years. He was quickly made captain at Priestfield and led the Gills to win the League Two championship. His regular combative performances quickly won the fans over and he was awarded the club's Supporters' Player of the year and Away Supporters' Player of the year awards. Barrett was also named in the League Two team of the year.

Return to Southend United On 15 January 2015, Barrett re-joined Southend United. An injury delayed Barrett's homecoming but he finally made his second debut for Southend as a second-half substitute against Cheltenham Town on 10 February 2015. At the end of the 2014–15 season he played for Southend in the League Two play-off final against Wycombe Wanderers. Southend won in a penalty shoot-out and were promoted to League One. The following month Barrett signed a new one-year contract at Southend, reversing his decision to retire which he had announced in February 2015. In March 2016, Barrett signed a further one-year deal keeping him at Southend until 2017. Towards the end of the 2015–16 season Barrett replaced John White as the captain, a role Barrett previously held in his first spell at the club before leaving in 2010.

On 24 September 2016, Barrett played his 350th game for Southend in all competitions, over two spells with his boyhood club

On 28 February 2017, Barrett announced his retirement from playing.

Coaching career On 10 March 2017, Barrett joined Millwall as first team development coach. Following the resignation of Neil Harris on 3 October 2019, Barrett took over as caretaker manager. In his first game in charge he led Millwall to a 2–1 win over Leeds United. He departed the club in December 2024.

On 20 May 2025, Barrett joined Cambridge United as assistant head coach, once again supporting Neil Harris.

Career statistics Information correct as of 11 May 2022.

Managerial statistics + Managerial record by team and tenure

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Football League Two play-offs: 2005, 2015 Football League Trophy runner-up: 2004–05

Gillingham Football League Two: 2012–13

Individual

PFA Fans' Player of the Year: 2004–05 League Two PFA Team of the Year: 2004–05 League Two, 2005–06 League One, 2012–13 League Two Gillingham Player of the Season: 2012–13