Sweden participated at the 2018 Summer Youth Olympics in Buenos Aires from 6 to 18 October 2018.

[2] Sweden qualified one player based on the Badminton Junior World Rankings.

[3] Sweden qualified a boys' team based on their performance at 2017-18 European Youth Continental Cup Final.

[5] Sweden qualified one boat based on its performance at the 2017 World Rowing Junior Championships.

[6] Sweden is eligible to send a total of eight swimmers to the games after finishing among the top sixteen teams at the 2017 World Aquatics Championships.