Seychelles at the 2020 Summer Olympics

Seychelles 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. It was the nation's ninth appearance at the Summer Olympics, with the exception of the 1988 Summer Olympics in Seoul because of its partial support to the North Korean boycott.

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

Athletics
Seychelles received a universality slot from the World Athletics to send one male athlete to the Olympics.


 * Key
 * Note–Ranks given for track events are within the athlete's heat only
 * Q = Qualified for the next round
 * q = Qualified for the next round as a fastest loser or, in field events, by position without achieving the qualifying target
 * NR = National record
 * N/A = Round not applicable for the event
 * Bye = Athlete not required to compete in round


 * Track & road events

Judo
Seychelles received an invitation from the Tripartite Commission and the International Judo Federation to send Nantenaina Finesse in the men's middleweight category (90 kg) to the Olympics.

Sailing
Seychellois sailors qualified one boat in each of the following classes through the class-associated World Championships, and the continental regattas.

M = Medal race; EL = Eliminated – did not advance into the medal race

Swimming
Seychelles 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.