| West River | |
| Pushpin Map: | Canada Ontario |
| Pushpin Map Caption: | Location of the mouth of the West River in Ontario |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Ontario |
| Subdivision Type3: | Region |
| Subdivision Name3: | Northeastern Ontario |
| Subdivision Type4: | District |
| Subdivision Name4: | Sudbury |
| Subdivision Type5: | City |
| Subdivision Name5: | West River |
| Length: | 26.5km (16.5miles) |
| Source1: | Deerhound Lake |
| Source1 Coordinates: | 46.185°N -81.6489°W |
| Source1 Elevation: | 221m (725feet) |
| Mouth: | Whitefish River |
| Mouth Coordinates: | 46.1442°N -81.7292°W |
| Mouth Elevation: | 189m (620feet) |
| Tributaries Left: | Fox Creek |
The West River is a river in the Whitefish River and Lake Huron drainage basins in southwestern Sudbury District in Northeastern Ontario, Canada.