K
| Mattias Kait | Player 2018 |
2012 Estonia U16 2 caps 2013-2014 Estonia U17 16 caps 2015 Estonia U19 2 caps 2015-2016 Estonia U21 6 caps 2016 Estonia U23 1 cap 2016------- Estonia 60 caps |
| Sean Kelly | Player 2017-2020 | 2014 Scotland U21 1 cap |
| Stephen Kelly | Player 2020-2021 |
2015 Scotland U16 2 caps 2017 Scotland U17 2 caps 2018-2019 Scotland U19 6 caps 2019-2022 Scotland U 21 11 caps |
| Nohan Kenneh | Player 2023/2025 |
2017-2018 England U15 3 caps 2018-2019 England U16 9 caps 2019-2020 England U17 9 caps 2023------- Liberia 17 caps |
| Brandon Khela | Player 2024 | 2022 England U17 2 caps |
| Eli King | Player 2024 |
2018 Wales U17 3 caps 2021-2024 Wales U21 15 caps |
| Mark Klok | Player 2013-2014 | 2022 ------- Indonesia 28 caps |
| Mihael Kovacevic | Player 2012-2014 |
2008 Croatia U21 1 cap 2008 Switzerland U21 2 caps |