| Event: | Men's 90 kg |
| Championship: | 2010 World Judo Championships |
| Location: | Tokyo, Japan |
| Gold: | Ilias Iliadis |
| Gold Value: | 1 |
| Goldnoc: | GRE |
| Silver: | Daiki Nishiyama |
| Silvernoc: | JPN |
| Bronze: | Elkhan Mammadov |
| Bronzenoc: | AZE |
| Bronze2: | Kirill Denisov |
| Bronzenoc2: | RUS |
The Men's -90 kg competition at the 2010 World Judo Championships was held at 10 September at the Yoyogi National Gymnasium in Tokyo, Japan. 59 competitors contested for the medals, being split in 4 Pools where the winner advanced to the medal round.