| Waitutu River | |
|---|---|
 Route of the Waitutu River | |
.png)  Mouth of the Waitutu River   Waitutu River (South Island) | |
| Location | |
| Country | New Zealand |
| Physical characteristics | |
| Source | Lake Poteriteri |
| • coordinates | 46°10′58″S 167°05′32″E / 46.1828°S 167.0923°E |
| • elevation | 30 m (98 ft) |
| Mouth | |
• location | Foveaux Strait |
• coordinates | 46°14′29″S 167°04′02″E / 46.2413°S 167.0672°E |
• elevation | 0 m (0 ft) |
| Length | 27 km (17 mi) |
| Basin features | |
| Progression | Waitutu River → Foveaux Strait |
The Waitutu River is a river in southern Fiordland, New Zealand. It is the outlet of Lake Poteriteri to the sea.