| Event: | Men's 66 kg |
| Championship: | 2017 European Judo Championships |
| Venue: | Torwar Hall |
| Location: |  Warsaw, Poland |
| Competitors: | 31 |
| Nations: | 23 |
| Gold: | Georgii Zantaraia |
| Gold Value: | 1 |
| Goldnoc: | UKR |
| Silver: | Adrian Gomboc |
| Silvernoc: | SLO |
| Bronze: | Nijat Shikhalizade |
| Bronzenoc: | AZE |
| Bronze2: | Matej Poliak |
| Bronzenoc2: | SVK |
| Prev: | Kazan 2016 |
| Next: | Tel Aviv 2018 |
The men's 66 kg competition at the 2017 European Judo Championships in Warsaw was held on 20 April at the Torwar Hall.