Montenegro at the 2020 Summer Olympics

Montenegro 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 fourth consecutive appearance at the Summer Olympics since gaining independence in 2006.

Competitors
The following is the list of number of competitors in the Games. Note that reserves in handball are not counted:

Athletics
Montenegrin athletes further 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


 * Field events

Handball
Key:
 * Summary
 * ET – After extra time.
 * P – Match decided by penalty-shootout.

Women's tournament
Montenegro women's national handball team qualified for the Olympics by securing a top-two finish at the Podgorica leg of the 2020 IHF Olympic Qualification Tournament.


 * Team roster


 * Group play


 * Quarterfinal

Sailing
Montenegro received an invitation from the Tripartite Commission to send a sailor in the Laser class to the Enoshima regatta.

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

Shooting
Montenegro received an invitation from ISSF to send a female air pistol shooter to the Olympics, based on her minimum qualifying score (MQS) attained on or before June 5, 2021.

Swimming
Montenegro 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.

Water polo
Key:
 * Summary
 * FT – After full time.
 * P – Match decided by penalty-shootout.

Men's tournament
Montenegro men's national water polo team qualified for the Olympics by advancing to the final match of the 2020 World Qualification Tournament in Rotterdam, Netherlands.


 * Team roster


 * Group play


 * Quarterfinal


 * 5–8th place semifinal


 * Seventh place game