Puerto Rico qualified one male archer based on its performance at the 2014 Pan American Championships. Later Puerto Rico qualified 1 more man based on its performance at the 2015 Copa Merengue. ;Men
Athletics
Baseball
Puerto Rico qualified a men's and women's baseball teams. Puerto Rico has also qualified a women's team of 18 athletes, for a total of 42 entered competitors. Both teams ended up finishing their respective tournaments in fourth place, just of the podium.
Men's tournament
;Roster ;Group A ---- ---- ---- ---- ---- ;Semifinals ;Bronze medal match
Women's tournament
;Roster ;Group A ---- ---- ----
Basketball
Puerto Rico qualified a men's and women's teams. Each team will consist of 12 athletes, for a total of 24.
Men's tournament
;Group A ---- ---- ;Fifth place match
Women's tournament
;Group A ---- ---- ;Fifth place match
Beach volleyball
Puerto Rico qualified a men's and women's pair for a total of four athletes.
Boxing
Puerto Rico qualified five boxers.
Bowling
Canoeing
Sprint
Puerto Rico qualified 2 athletes in the sprint discipline. ;Women Qualification Legend: QF = Qualify to final; QS = Qualify to semifinal
Cycling
Road
Track
Diving
Puerto Rico qualified three divers.
Equestrian
Puerto Rico qualified four equestrians across all three disciplines.
Dressage
Eventing
Jumping
Fencing
Puerto Rico qualified 3 male fencers. Originally the country also qualified men's sabre and women's foil teams, but for unknown reasons the country declined those quotas.
Golf
Puerto Rico qualified two golfers.
Gymnastics
Artistic
Puerto Rico qualified 7 gymnasts, only six competed. ;Men ;Team & Individual Qualification Qualification Legend: Q = Qualified to apparatus final ;Individual Finals ;Women ;Individual Qualification Qualification Legend: Q = Qualified to apparatus final ;Individual Finals
Handball
Puerto Rico qualified a men's and women's teams. Each team will consist of 15 athletes, for a total of 30.
Men's tournament
;Group B ---- ---- ;Classification semifinals ;Fifth place match
Women's tournament
;Group A ---- ---- ;Classification semifinals ;Fifth place match
Judo
Puerto Rico qualified a team of five judokas. However, the nation only sent three judokas to compete.
Puerto Rico qualified a men's and women's volleyball team, for a total of 24 athletes.
Men's tournament
---- ---- ;Quarterfinals ;Semifinals ;Bronze medal match
Women's tournament
Water polo
Puerto Rico qualified a women's team. The team consists of 13 athletes. The men's team also qualified, but the country did not compete and was replaced by Ecuador for unknown reasons.
Women's tournament
;Roster ;Group B ---- ---- ;Fifth to Eighth place playoffs ;Fifth place match
Weightlifting
Puerto Rico qualified a team of 4 athletes. However, only the two women ended up competing. ;Women