The men's 49er was a sailing event at the 2020 Summer Olympics and took place between 27 July – 2 August.

[1] The medals were presented by IOC Member for Spain, Mr Juan Antonio Samaranch Jnr.

(son of former Olympic President Juan Antonio Samaranch) and World Sailing President Li Quanhai.

Scoring system: low-point system; Legend:   – Qualified for medal race(s); DNF – Did not finish; DSQ – Disqualified; STP – Standard penalty imposed; UFD – "U" flag disqualification; † – Discarded race not counted in the overall result;