Grenada at the 2020 Summer Olympics

Grenada 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 tenth consecutive appearance at the Summer Olympics.

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

Athletics
Grenadian athletes 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):


 * 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


 * Field events


 * Combined events – Men's decathlon

Swimming
Grenada 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.