| Niyodo River | |
|---|---|
 Niyodo River | |
 | |
| Native name | 仁淀川 (Japanese) |
| Location | |
| Country | Japan |
| Physical characteristics | |
| Source | |
| • location | Mount Ishizuchi |
| • elevation | 1,982 m (6,503 ft) |
| Mouth | |
• location | Tosa Bay |
| Length | 124 km (77 mi) |
| Basin size | 1,560 km2 (600 sq mi) |
The Niyodo River (仁淀川, Niyodo-gawa) is a river that flows through Ehime and Kōchi Prefectures in Shikoku, Japan.