[1] South Korea qualified two archers based on its performance at the 2017 World Archery Youth Championships.

[2][3] South Korea qualified one dancer based on its performance at the 2018 World Youth Breaking Championship.

[4] South Korea qualified four athletes based on its performance at the 2018 Cadet World Championship,[5] but only 3 participated.

[1] Vidovszky (USA)W 5-4 El Araby (EGY)W 5-1 Coly (SEN)W 5-0 Mahbas (IRQ)W 5-0 Rabb (HUN)L 2-5 Shaker (IRI)W 5-2 Heathcock (GER)W 5-4

[12] South Korea also qualified a female table tennis player based on its performance at the Road to Buenos Aires (Asia) series.