North Korea participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.

North Korea qualified one archer based on its performance at the Asian Continental Qualification Tournament.

[1] Individual Team North Korea qualified one gymnast based on its performance at the 2018 Asian Junior Championship.

[2] North Korea qualified two table tennis players based on its performance at the Road to Buenos Aires (North America) series.

[3] North Korea qualified one athlete based on its performance at the 2017 World Youth Championships.