Comoros competed at the 2020 Summer Olympics in Tokyo.

[1] It was the nation's seventh consecutive appearance at the Summer Olympics.

[2] Amed Elna, who studied law at Sorbonne University, Paris,[3] was flag bearer for her nation in the opening ceremony.

[4] She competed in the 100 metres in which she finished eighth in the first preliminary heat running a time of 14.30, which was a new personal best.

[5][6] Comoros received an invitation from the Tripartite Commission and the International Judo Federation to send Housni Thaobani in the men's half-middleweight category (81 kg), marking the country's Olympic debut in the sport.