| Event: | Women's 70 kg |
| Championship: | 2010 World Judo Championships |
| Location: | Tokyo, Japan |
| Gold: | Lucie Décosse |
| Gold Value: | 1 |
| Goldnoc: | FRA |
| Silver: | Anett Meszaros |
| Silvernoc: | HUN |
| Bronze: | Yoriko Kunihara |
| Bronzenoc: | JPN |
| Bronze2: | Raša Sraka |
| Bronzenoc2: | SLO |
The Women's 70 kg competition at the 2010 World Judo Championships was held at 10 September at the Yoyogi National Gymnasium in Tokyo, Japan. 35 competitors contested for the medals, being split in 4 Pools where the winner advanced to the medal round.
Moira de Villiers 000 vs. 
Kelita Zupancic 100
Laquinta Allen 100 vs. 
Fouzia Mumtaz 000
Patcharee Pichaipat 000 vs. 
Choi Mi-Young 110