Belize at the 2020 Summer Olympics

Belize 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 thirteenth appearance at the Olympics, although it previously appeared in two early editions under the name "British Honduras" (1968 in Mexico City, and 1972 in Munich).

The Belize team consisted of three athletes (two men and one woman) competing in two sports (athletics and canoeing).

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

Athletics
Belize received the universality slots from the World Athletics to send two track and field athletes (one per gender) 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

Sprint
Belize received an invitation from the Tripartite Commission to send a canoeist in the men's K-1 1000 m, marking the country's debut in the sport.

Qualification Legend: FA = Qualify to final (medal); FB = Qualify to final B (non-medal)