[1] Medals awarded to participants of mixed-NOC (combined) teams are represented in italics.

Brazil qualified one archer based on its performance at the 2017 World Archery Youth Championships.

[2] Brazil later qualified a female archer based on its performance at the American Continental Qualification Tournament.

[6] Brazil qualified a girls' team based on their overall ranking from the South American Youth Tour.

[17] Brazil qualified one tennis player based on the ITF World Junior Rankings.