Other athletes fell short of their Olympic medal, with Steven Piñeiro finishing sixth in the men's skateboarding street park final, and table tennis player Adriana Díaz losing a match in the third round.

With the cancellation of the 2021 Pan American Qualification Tournament in Buenos Aires, Argentina, Yankiel Rivera finished among the top five of the men's flyweight category to book his place in the Puerto Rican squad based on the IOC's Boxing Task Force Rankings for the Americas.

[13][14] Puerto Rico qualified one boat in the women's single sculls for the Games by finishing fifth in the A-final and securing the last of five berths available at the 2021 FISA Americas Olympic Qualification Regatta in Rio de Janeiro, Brazil, signifying the country's return to the sport for the first time since 1988.

[22] Adriana's older sister Melanie Díaz, with Brian Afanador joining them to compete on the men's side at his second consecutive Games, scored the initial-stage final match triumphs to book one of the available places each in their respective singles events at the Latin American Qualification Tournament in Rosario, Argentina.

American-born taekwondo practitioner Victoria Stambaugh secured a spot in the women's flyweight category (49 kg) with a top two finish at the 2020 Pan American Qualification Tournament in San José, Costa Rica.

[24] Puerto Rico qualified one wrestler for the men's freestyle 74 kg into the Olympic competition, by progressing to the top two finals at the 2020 Pan American Qualification Tournament in Ottawa, Canada.