| Mikonui River | |
|---|---|
 | |
| Location | |
| Country | New Zealand |
| Physical characteristics | |
| Source | |
| • location | Southern Alps |
| Mouth | |
• location | Tasman Sea |
| Length | 25 kilometres (16 mi) |
The Mikonui River is a river of the West Coast Region of New Zealand's South Island. It flows northwest from its sources in the Southern Alps, reaching the Tasman Sea close to the township of Ross.