# 2017 World Wrestling Championships – Men's Greco-Roman 66 kg

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.

## Results
### Legend

* F — Won by fall

### Finals

| Semifinals | Semifinals | Final | Final |
| Artem Surkov (RUS) | 1 | | |
| Ryu Han-su (KOR) | 2 | Ryu Han-su (KOR) | 2 |
| Mateusz Bernatek (POL) | 4 | Mateusz Bernatek (POL) | 1 |
| Mohammad Eliasi (IRI) | 1 | | |

### Top half
#### Section 1

| Round of 32 | Round of 32 | Round of 16 | Round of 16 | Quarterfinals | Quarterfinals |
| Artem Surkov (RUS) | 8 | | | | |
| Hrachia Malkhasian (FRA) | 0 | | | | |
| | | Artem Surkov (RUS) | 9 | | |
| | | Elmurat Tasmuradov (UZB) | 4 | | |
| Elmurat Tasmuradov (UZB) | 2 | | | | |
| Matthias Maasch (GER) | 1 | | | | |
| | | | | Artem Surkov (RUS) | 9 |
| | | | | Mate Nemeš (SRB) | 0 |
| Ellis Coleman (USA) | 8 | | | | |
| Diego Romanelli (BRA) | 0 | | | | |
| | | Ellis Coleman (USA) | 1 | | |
| | | Mate Nemeš (SRB) | 3 | | |
| Mate Nemeš (SRB) | 2 | | | | |
| Donior Islamov (MDA) | 1 | | | | |

#### Section 2

| Round of 32 | Round of 32 | Round of 16 | Round of 16 | Quarterfinals | Quarterfinals |
| Flavio Freuler (SUI) | 8 | | | | |
| Christos Theodorakis (GRE) | 0 | | | | |
| | | Flavio Freuler (SUI) | 2 | | |
| | | Ryu Han-su (KOR) | 5 | | |
| Kamran Mammadov (AZE) | 1 | | | | |
| Ryu Han-su (KOR) | 2 | | | | |
| | | | | Ryu Han-su (KOR) | 2 |
| | | | | Karen Aslanyan (ARM) | 1 |
| Goga Gogiberashvili (GEO) | 3 | | | | |
| Máté Krasznai (HUN) | 3 | | | | |
| | | Máté Krasznai (HUN) | 2 | | |
| | | Karen Aslanyan (ARM) | 4 | | |
| Mohamed Abouhalima (EGY) | 0 | | | | |
| Karen Aslanyan (ARM) | 8 | | | | |

### Bottom half
#### Section 3

| Round of 32 | Round of 32 | Round of 16 | Round of 16 | Quarterfinals | Quarterfinals |
| Atakan Yüksel (TUR) | 1 | | | | |
| Mateusz Bernatek (POL) | 2 | | | | |
| | | Mateusz Bernatek (POL) | 9 | | |
| | | Michal Novák (CZE) | 1 | | |
| Michal Novák (CZE) | 2 | | | | |
| Jiang Yuan (CHN) | 1 | | | | |
| | | | | Mateusz Bernatek (POL) | 2 |
| | | | | Danijel Janečić (CRO) | 1 |
| Mario Molina (PER) | 3 | | | | |
| Hung Ying-hua (TPE) | 1 | | | | |
| | | Mario Molina (PER) | 1 | | |
| | | Danijel Janečić (CRO) | 3 | | |
| Aleksandrs Jurkjans (LAT) | 1 | | | | |
| Danijel Janečić (CRO) | 2 | | | | |

#### Section 4

| Round of 64 | Round of 64 | Round of 32 | Round of 32 | Round of 16 | Round of 16 | Quarterfinals | Quarterfinals |
| | | Denys Demyankov (UKR) | 2 | | | | |
| | | Zhanat Kyilybaev (KGZ) | 1 | | | | |
| | | | | Denys Demyankov (UKR) | 2 | | |
| | | | | Shogo Takahashi (JPN) | 1 | | |
| | | Fredrik Bjerrehuus (DEN) | 2 | | | | |
| | | Shogo Takahashi (JPN) | 2 | | | | |
| | | | | | | Denys Demyankov (UKR) | 1 |
| Kristupas Šleiva (LTU) | 4 | | | | | Mohammad Eliasi (IRI) | 4 |
| Konstantin Stas (BUL) | 11 | Konstantin Stas (BUL) | 1 | | | | |
| Soslan Daurov (BLR) | 1 | Mohammad Eliasi (IRI) | 10 | | | | |
| Mohammad Eliasi (IRI) | 2 | | | Mohammad Eliasi (IRI) | 4 | | |
| Almat Kebispayev (KAZ) | 5 | | | Almat Kebispayev (KAZ) | 1 | | |
| Miguel Martínez (CUB) | 2 | Almat Kebispayev (KAZ) | 6$^F$ | | | | |
| Ravinder Singh (IND) | 1 | Hussam Omar (SWE) | 0 | | | | |
| Hussam Omar (SWE) | 2 | | | | | | |

### Repechage

| Repechage round 2 | Repechage round 2 | Repechage round 3 | Repechage round 3 | Bronze medals | Bronze medals |
| Kamran Mammadov (AZE) | 4 | Kamran Mammadov (AZE) | 1 | Karen Aslanyan (ARM) | 1 |
| Flavio Freuler (SUI) | 1 | Karen Aslanyan (ARM) | 7$^F$ | Artem Surkov (RUS) | 2 |
| Atakan Yüksel (TUR) | 7 | Atakan Yüksel (TUR) | 2 | Atakan Yüksel (TUR) | 2 |
| Michal Novák (CZE) | 1 | Danijel Janečić (CRO) | 1 | Mohammad Eliasi (IRI) | 1 |