| Event: | Men's Greco-Roman 66 kg |
| Championship: | 2006 World Championships |
| Dates: | 25 September 2006 |
| Venue: | Tianhe Gymnasium |
| Competitors: | 32 |
| Nations: | 32 |
| Gold: | Li Yanyan |
| Gold Nation: | CHN |
| Silver: | Kanatbek Begaliev |
| Silver Nation: | KGZ |
| Silver Variant: | 1992 |
| Bronze: | Sergey Kovalenko |
| Bronze Nation: | RUS |
| Bronze2: | Justin Lester |
| Bronze2 Nation: | USA |
| Prev: | 2005 |
| Next: | 2007 |
See main article: 2006 World Wrestling Championships.
The men's Greco-Roman 66 kilograms is a competition featured at the 2006 World Wrestling Championships, and was held at the Tianhe Gymnasium in Guangzhou, China on 25 September 2006.[1]
This Greco-Roman wrestling competition consists of a single-elimination tournament, with a repechage used to determine the winner of two bronze medals.