| Event: | Men's Greco-Roman 80 kg |
| Championship: | 2015 World Championships |
| Dates: | 8 September 2015 |
| Venue: | Orleans Arena |
| Competitors: | 28 |
| Nations: | 28 |
| Gold: | Selçuk Çebi |
| Gold Nation: | TUR |
| Silver: | Viktar Sasunouski |
| Silver Nation: | BLR |
| Bronze: | Yousef Ghaderian |
| Bronze Nation: | IRI |
| Bronze2: | Lasha Gobadze |
| Bronze2 Nation: | GEO |
| Prev: | 2014 |
| Next: | 2016 |
See main article: 2015 World Wrestling Championships.
The men's Greco-Roman 80 kilograms is a competition featured at the 2015 World Wrestling Championships, and was held in Las Vegas, United States on 8 September 2015.
This Greco-Roman wrestling competition consisted of a single-elimination tournament, with a repechage used to determine the winners of two bronze medals.