Benin 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 twelfth appearance at the Summer Olympics, with the exception of the 1976 Summer Olympics in Montreal because of the African boycott.

The following is the list of number of competitors in the Games.

Beninese 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

Combined events – Women's heptathlon

Benin received an invitation from the Tripartite Commission and the International Judo Federation to send Rio 2016 Olympian Celtus Dossou Yovo in the men's middleweight category (90 kg) to the Olympics.^[4]

More information Athlete, Event ...

Athlete	Event	Round of 64	Round of 32	Round of 16	Quarterfinals	Semifinals	Repechage	Final / BM
		Opposition Result	Opposition Result	Opposition Result	Opposition Result	Opposition Result	Opposition Result	Opposition Result	Rank
Celtus Dossou Yovo	Men's −90 kg	Bye	Igolnikov (ROC) L 00–10	Did not advance

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Benin qualified one boat in the men's single sculls for the Games by finishing fifth in the A-final and securing the third of five berths available at the 2019 FISA African Olympic Qualification Regatta in Tunis, Tunisia, marking the country's debut in the sport.^[5][6]

Qualification Legend: FA=Final A (medal); FB=Final B (non-medal); FC=Final C (non-medal); FD=Final D (non-medal); FE=Final E (non-medal); FF=Final F (non-medal); SA/B=Semifinals A/B; SC/D=Semifinals C/D; SE/F=Semifinals E/F; QF=Quarterfinals; R=Repechage

Benin 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.^[7]