Carl Robert Johnston (born 29 May 2002) is a Northern Irish professional footballer who plays as a Right-back for EFL League One side Peterborough United.
[4] Johnson made his senior debut for the club on 1 September 2020 as a second-half substitute in a 3–1 EFL Trophy victory away to Carlisle United.
[9][10] On 7 January 2021, it was announced that Johnston would remain on loan at Farsley Celtic until the end of the 2020/21 season.
[12] Johnston signed a new long-term contract in June 2022, keeping him at the club for a further three years with the option for a fourth.
[13] On 4 January 2025, Johnston signed for League One side Peterborough United on a long-term deal for a "sizeable six-figure" fee.