| Event: | Women's 78 kg |
| Championship: | 2017 European Judo Championships |
| Venue: | Torwar Hall |
| Location: |  Warsaw, Poland |
| Competitors: | 16 |
| Nations: | 13 |
| Gold: | Audrey Tcheumeo |
| Gold Value: | 4 |
| Goldnoc: | FRA |
| Silver: | Guusje Steenhuis |
| Silvernoc: | NED |
| Bronze: | Abigél Joó |
| Bronzenoc: | HUN |
| Bronze2: | Natalie Powell |
| Bronzenoc2: | GBR |
| Prev: | Kazan 2016 |
| Next: | Tel Aviv 2018 |
The women's 78 kg competition at the 2017 European Judo Championships in Warsaw was held on 22 April at the Torwar Hall.