Puerto Rico qualified a boys' and girls' team based on their performance at the 2018 Central Zone U19 Championship.

[1][2] Puerto Rico qualified one athlete based on its performance at the 2018 Cadet World Championship.

[3] Puerto Rico qualified a mixed pair based on its performance at the 2018 Acrobatic Gymnastics World Championship.

[4] Puerto Rico qualified two gymnasts based on its performance at the 2018 American Junior Championship.

[4] Puerto Rico qualified one athlete based on its performance at one of the Karate Qualification Tournaments.