| West Branch Mohawk River | |
| Pushpin Map: | New York Adirondack Park#USA |
| Pushpin Map Caption: | Location of the mouth of West Branch Mohawk River |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | New York |
| Subdivision Type3: | Region |
| Subdivision Name3: | Central New York Region |
| Subdivision Type4: | County |
| Subdivision Name4: | Oneida |
| Subdivision Type5: | Town |
| Subdivision Name5: | Lee |
| Source1: | Egger Brook |
| Source2: | Lyman Brook |
| Source Confluence Location: | W of West Branch (hamlet) |
| Source Confluence Coordinates: | 43.3701°N -75.508°W |
| Mouth: | Mohawk River |
| Mouth Location: | E of West Branch (hamlet) |
| Mouth Coordinates: | 43.3709°N -75.4682°W[1] |
| Mouth Elevation: | 932feet |
West Branch Mohawk River is a river in Oneida County, New York. It begins at the confluence of Egger Brook and Lyman Brook, flows through the hamlet of West Branch, and empties into Mohawk River east of the hamlet.