The Finn competition at the 2020 Summer Olympics was the men's one-person heavyweight dinghy event and was held in Enoshima, Japan, from 27 July to 3 August 2021.

[1] 19 sailors from 19 nations competed in 11 races, including one medal-race where points were doubled.

[2] The land venue was Enoshima Yacht Harbour and races were held on Sagami Bay.

[1][3] Alican Kaynar of Turkey was the overnight leader after the first day after two bullets, followed by Zsombor Berecz of Hungary with two second-place finishes in the first two races.

[6] Giles Scott won the Olympic gold medal, and Great Britain's sixth in a row in the event, which was also the last Finn class gold in the Olympics as the event left the Olympic programme.