Costa Rica competed at the 2020 Summer Olympics in Tokyo. Originally scheduled to take place from 24 July to 9 August 2020, the Games were postponed to 23 July to 8 August 2021, because of the COVID-19 pandemic.^[1] It was the nation's sixteenth appearance at the Summer Olympics, since its debut in 1936.

The following is the list of number of competitors participating in the Games:

Costa Rican athletes further achieved the entry standards, either by qualifying time or by world ranking, in the following track and field events (up to a maximum of 3 athletes in each event):^[2][3]

Track & road events

Costa Rica qualified one judoka for the men's half-lightweight category (66 kg) at the Games. Ian Sancho Chinchila accepted a continental berth from the Americas as the nation's top-ranked judoka outside of direct qualifying position in the IJF World Ranking List of June 28, 2021.^[6]

More information Athlete, Event ...

Athlete	Event	Round of 32	Round of 16	Quarterfinals	Semifinals	Repechage	Final / BM
		Opposition Result	Opposition Result	Opposition Result	Opposition Result	Opposition Result	Opposition Result	Rank
Ian Sancho Chinchila	Men's −66 kg	Cullhaj (ALB) W 11–00	An B-u (KOR) L 00–10	Did not advance

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Costa Rica sent two surfers to compete in the women's shortboard race and one surfer to compete in the men's shortboard race at the Games. Brisa Hennessy finished within the top eight of those eligible for qualification in the World Surf League rankings to secure her place on the Costa Rican roster for Tokyo 2020, with Leilani McGonagle joining her with a top-two finish in her heat at the 2021 ISA World Surfing Games in El Salvador.^[7][8] On July 23, Carlos Muñoz Herrera joined the nation's surfing squad at the Games after Portugal's Frederico Morais tested positive for COVID-19.^[9]

More information Athlete, Event ...

Athlete	Event	Round 1		Round 2		Round 3	Quarterfinal	Semifinal	Final/BM
		Score	Rank	Score	Rank	Opposition Result	Opposition Result	Opposition Result	Opposition Result
Carlos Muñoz Herrera	Men's shortboard	DNS				Did not advance
Brisa Hennessy	Women's shortboard	12.20	2 Q	Bye		Williams (NZL) W 12.00–7.73	Marks (USA) L 6.83–12.50	Did not advance
Leilani McGonagle		9.64	3 q	9.63	4	Did not advance

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Costa Rica received a universality invitation from FINA to send two top-ranked swimmers (one per gender) in their respective individual events to the Olympics, based on the FINA Points System of June 28, 2021.^[10]

Originally, Costa Rica was not going to participate in taekwondo during these Olympic Games, however, the country received a last minute invitation after the Chilean delegation was unable to send a taekwondo player in the women's 57 kilogram category as a result of a positive test for COVID-19. Costa Rican Olympic Committee selected Nishy Lee Lindo to represent her country for the first time in taekwondo at the Games.^[11]

More information Athlete, Event ...

Athlete	Event	Qualification	Round of 16	Quarterfinals	Semifinals	Repechage	Final / BM
		Opposition Result	Opposition Result	Opposition Result	Opposition Result	Opposition Result	Opposition Result	Rank
Nishy Lee Lindo	Women's –57 kg	Bye	İlgün (TUR) L 5–16	Did not advance

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• Costa Rica at the 2019 Pan American Games