| Event: | Men's 49er |
| Games: | 2016 Summer |
| Venue: | Marina da Glória |
| Dates: | 12–18 August |
| Competitors: | 40 |
| Nations: | 20 |
| Win Label: | Winning total |
| Win Value: | 35 points |
| Gold: | Peter Burling Blair Tuke |
| Goldnoc: | NZL |
| Silver: | Nathan Outteridge Iain Jensen |
| Silvernoc: | AUS |
| Bronze: | Erik Heil Thomas Plößel |
| Bronzenoc: | GER |
| Prev: | 2012 |
| Next: | 2020 |
The Men's 49er was a sailing event on the Sailing at the 2016 Summer Olympics program in Rio de Janeiro and took place between 12–18 August at Marina da Glória. 13 races (the last one a medal race) were held.
The medals were presented by Barbara Kendall, IOC member, New Zealand and Adrienne Greenwood, Vice President of World Sailing.