| Event: | Judo – Men's 66 kg |
| Games: | 2016 Summer |
| Venue: | Carioca Arena 3 |
| Competitors: | 12 |
| Nations: | 12 |
| Gold: | Utkirjon Nigmatov |
| Goldnpc: | UZB |
| Silver: | Bayram Mustafayev |
| Silvernpc: | AZE |
| Bronze: | Davyd Khorava |
| Bronzenpc: | UKR |
| Bronze2: | Satoshi Fujimoto |
| Bronzenpc2: | JPN |
| Prev: | 2012 |
| Next: | 2020 |
The men's 66 kg judo competition at the 2016 Summer Paralympics was held on 8 September at Carioca Arena 3.