The men's 49er is a sailing event, part of Sailing at the 2024 Summer Olympics in Marseille that took place between 28 July – 2 August.

[1] Official results[2] Scoring system: low-point system; Legend:   – Qualified for medal race(s); BFD – Black flag disqualification; DNF – Did not finish; DSQ – Disqualified; OCS – On the course side of the starting line; STP – Standard penalty imposed; UFD – "U" flag disqualification; † – Discarded race not counted in the overall result;