George Johannes Nunn (born 23 November 2001) is a professional footballer currently playing as a forward for Icelandic club HK Kópavogs. He was previously contracted to Chelsea and Derby County.

Born in Crewe, Nunn started his career with local side Crewe Alexandra. He attracted attention from Premier League side Tottenham Hotspur in 2017, having scored a hat-trick against them at under-18 level.^[2] However, just a year later, Nunn rejected scholarship terms at Crewe Alexandra to join Premier League side Chelsea, who reportedly paid £300,000 in compensation.^[3] The move left Crewe Alexandra coaches somewhat taken aback, with then-manager David Artell stating that he was "fairly confident" that Nunn "would have played in our first team but there's no guarantee", while head of coaching, James Collins, saying "In my opinion he could have been around our first team in 12 month's time".^[4]

Nunn signed his first professional contract with Chelsea, a two-year deal, in February 2020.^[5] In January 2022, he was linked with a loan move away from the Blues, with clubs in Germany and the Netherlands reportedly interested.^[6] He was again linked with a move in July 2022, with Southampton and Derby County being the clubs linked.^[7]

Following a trial spell with Derby County, he signed for the Rams in July 2022.^[8][9] In October 2022, he moved to Southern Football League side Mickleover on a month-long loan deal.^[10] His loan spell got off to a good start, scoring on his debut against Barwell. He was loaned to Mickleover on another month-long loan in January 2023.^[11] He was the loaned out to National League South side Cheshunt for the remainder of the 2022–23 season on 17 March 2023.^[12]

At the start of the following season, Nunn joined Mickleover on a third month-long loan spell on 3 August 2023.^[13] The loan was extended by a month.^[14]

On 21 September 2023, Nunn agreed to join National League South side, Braintree Town on an initial one-month loan.^[15] He only made one appearance for the club.

On 3 November 2023, Nunn joined another National League South side, Hampton & Richmond Borough, on a two-month loan to last until 1 January 2024.^[16]

Following the conclusion of his loan at Hampton & Richmond, Nunn joined Barwell on loan in January 2024.^[17]

Nunn's contract was mutually terminated by Derby on 6 April 2024, in order for the player to sign a permanent deal abroad.^[18]

Following his departure from Derby County, Nunn joined Icelandic club HK Kópavogs.^[19]

Nunn is eligible to represent England, Germany and the Republic of Ireland at international level.^[1] He has played for the Republic of Ireland at under-19 level.^[1]

Nunn wears shin pads with a photo of football manager Sean Dyche on them. Nunn himself explained that before games he would receive messages of support, along with pictures of Dyche, from his father, who shares a resemblance with the manager.^[20][21]

As of match played 10 February 2024