2011 World Judo Championships – Men's 66 kg
The men's 66 kg competition of the 2011 World Judo Championships was held on August 23.
Medalists
Results
Pool A
;First round fights| Score | ||
Khashbaataryn Tsagaanbaatar  | 110–000 |  Manjeet Nandal |
Vladimir Oleinic  | 000–010 |  Cho Jun-Ho |
Masashi Ebinuma  | 001–000 |  Islam Baialinov |
Francis Mbida Obama  | 000–100 |  Pierre Duprat |
Pool B
;First round fights| Score | ||
Musa Mogushkov  | 100–000 |  Mohamed Merikhi |
Carlos Figueroa  | 000–102 |  Tomasz Kowalski |
Sergiy Pliyev  | 001–101 |  Mirzahid Farmonov |
Martin Ivanov  | 100–010 |  Craig Fallon |
Tejen Tejenov  | 000–103 |  László Szőke |
Pool C
;First round fights| Score | ||
| Junpei Morishita | 101–000 |  Sasha Mehmedovic |
| Igor Soroca | 100–000 |  Hong Kuk Hyon |
Mathews Punza  | 000–100 |  Ivo dos Santos |
| Dan Fasie | 001–011 |  Armen Nazaryan |
| Youcef Nouari | 000–101 | An Jeong-Hwan |
Pool D
;First round fights| Score | ||
| Alim Gadanov | 100–000 |  Rachid El Kadiri |
Humaid Alderei  | 001–000 | Ruslan Dzhanybek Uulu |
| Ulugbek Norkobilov | 100–000 |  Seifu Mekonnen Gebisa |
Reginald Altenor  | 000–100 |  Jasper de Jong |