Kobbie Boateng Mainoo (born 19 April 2005) is an English professional footballer who plays as a midfielder for Premier League club Manchester United and the England national team.

[3][4][5] Mainoo is a graduate of Manchester United's youth system and won the Jimmy Murphy Young Player of the Year award in 2023.

[15] Mainoo was named on the bench for the first time on 16 October 2022, for a Premier League match against Newcastle United,[16] followed by making his senior debut on 10 January 2023, starting in a 3–0 home win over Charlton Athletic in the EFL Cup.

[22] On 28 January 2024, Mainoo scored his first goal for Manchester United in a 4–2 win away to Newport County in the FA Cup fourth round.

[26] In the FA Cup final, Mainoo scored the eventual winning goal in a 2–1 victory over local rivals Manchester City.

[30] He missed nine games in all competitions, including the 2–1 defeat to West Ham United which led to the sacking of manager Erik ten Hag.

He made his return on 1 December 2024, starting in a 4–0 win against Everton in new head coach Ruben Amorim's first Premier League match at Old Trafford.

[2] An intelligent and composed player, he excels in driving the ball forward, using his dribbling skills to navigate through tight spaces and evade defenders.

[46] Former Manchester United manager Erik ten Hag praised his ability to "quickly adapt to high levels", as well as his willingness to progress and develop as a player.