^Veljković was born in Basel, Switzerland, and represented them at U-16 level, but also qualified to represent Serbia through his parents and represented them at U-17, U-19, U-20 and U-21 level before making his international debut for Serbia in November 2017.
^Bulot was born in Libreville, Gabon, but also qualified to represent France internationally through his father and represented them at U-16, U-17, U-18, U-19, and U-21 level, before making his international debut for Gabon in March 2014.
^Harriott was born in Croydon, England, and represented them at U-19 level, but also qualified to represent Guyana and Jamaica internationally and would make his international debut for Guyana in March 2019.
^Vetokele was born in Ostend, Belgium, and represented them at U-17, U-18, U-19, and U-21 level, but also qualified to represent Angola internationally and made his international debut for Angola in 2014.
^Wiggins was born in Hillingdon, England, but also qualified to represent Wales internationally and represented them at U-17, U-19, and U-21 level.
^Church was born in High Wycombe, England, but also qualified to represent Wales through his grandparents and represented them at U-21 level before making his international debut for Wales in May 2009.
^Ansah was born in Bexley, England, and represented them at U-16 and U-17 level, but also qualified to represent Ghana internationally and has confirmed his international allegiance to them.
^Fox was born in Chelmsford, England, but also qualified to represent Wales internationally and represented them at U-21 level.
^Daniel was born in Lambeth, England, but also qualified to represent Guyana internationally and represented them at U-23 level before making his international debut for Guyana in June 2015.
^Etheridge was born in Enfield, England, and represented them at U-16 level, but also qualified to represent the Philippines through his mother and made his international debut for the Philippines in May 2008.
^Cort was born in Southwark, England, but also qualified to represent Guyana internationally and made his international debut for Guyana in 2010.
^Poyet was born in Zaragoza, Spain, but was raised in England from the age of 2 and also qualified to represent Uruguay internationally through his father. He represented England at U-16 and U-17 level and would go on to represent Uruguay at U-20 level.