Cayman Islands at the 2020 Summer Olympics

The Cayman Islands 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 is the nation's eleventh appearance at the Summer Olympics.

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

Athletics
Caymanian 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

Artistic
The Cayman Islands received an invitation from the Tripartite Commission to send a female gymnast to the Games, signifying the nation's Olympic debut in the sport.


 * Women

Swimming
Cayman Islands 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.