| Event: | Men's Greco-Roman 84 kg |
| Championship: | 2009 World Championships |
| Dates: | 26 September 2009 |
| Venue: | Messecenter Herning |
| Competitors: | 33 |
| Nations: | 33 |
| Gold: | Nazmi Avluca |
| Gold Nation: | TUR |
| Silver: | Mélonin Noumonvi |
| Silver Nation: | FRA |
| Bronze: | Habibollah Akhlaghi |
| Bronze Nation: | IRI |
| Bronze2: | Pablo Shorey |
| Bronze2 Nation: | CUB |
| Prev: | 2007 |
| Next: | 2010 |
See main article: 2009 World Wrestling Championships.
The men's Greco-Roman 84 kilograms is a competition featured at the 2009 World Wrestling Championships, and was held at the Messecenter Herning exhibition center in Herning, Denmark on September 26.