| Event: | Men's Greco-Roman 66 kg |
| Championship: | 2017 World Championships |
| Dates: | 22 August 2017 |
| Venue: | AccorHotels Arena |
| Competitors: | 36 |
| Nations: | 36 |
| Gold: | Ryu Han-su |
| Gold Nation: | KOR |
| Silver: | Mateusz Bernatek |
| Silver Nation: | POL |
| Bronze: | Artem Surkov |
| Bronze Nation: | RUS |
| Bronze2: | Atakan Yüksel |
| Bronze2 Nation: | TUR |
| Prev: | 2015 |
| Next: | 2018 |
See main article: 2017 World Wrestling Championships.
The men's Greco-Roman 66 kilograms is a competition featured at the 2017 World Wrestling Championships, and was held in Paris, France on 22 August 2017.[1]