| Event: | Women's 78 kg |
| Games: | 2018 Asian Games |
| Venue: | Jakarta Convention Center |
| Date: | 31 August 2018 |
| Competitors: | 9 |
| Nations: | 9 |
| Gold: | Ruika Sato |
| Goldnoc: | JPN |
| Silver: | Park Yu-jin |
| Silvernoc: | KOR |
| Bronze: | Ikumi Oeda |
| Bronzenoc: | THA |
| Bronze2: | Ma Zhenzhao |
| Bronzenoc2: | CHN |
| Prev: | 2014 |
| Next: | 2022 |
See main article: Judo at the 2018 Asian Games.
The women's 78 kilograms (Half heavyweight) competition at the 2018 Asian Games in Jakarta was held on 31 August at the Jakarta Convention Center Assembly Hall.[1]
Ruika Sato of Japan won the gold medal.
All times are Western Indonesia Time
| width=220 | Date | width=50 | Time | width=150 | Event |
|---|---|---|---|---|---|
| Friday, 31 August 2018 | 09:00 | Elimination round of 16 | |||
| 09:00 | Quarterfinals | ||||
| 09:00 | Repechage | ||||
| 09:00 | Semifinals | ||||
| 16:00 | Finals |