| Fox River | |
| Pushpin Map: | Canada Ontario |
| Pushpin Map Caption: | Location of the mouth of the Fox River in Ontario |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Ontario |
| Subdivision Type3: | Region |
| Subdivision Name3: | Northwestern Ontario |
| Subdivision Type4: | District |
| Subdivision Name4: | Kenora |
| Source1: | Marugg lake |
| Source1 Coordinates: | 52.8853°N -92.5706°W |
| Source1 Elevation: | 306m (1,004feet) |
| Mouth: | Severn River |
| Mouth Coordinates: | 52.2003°N -92.1092°W |
| Mouth Elevation: | 268m (879feet) |
| River System: | Hudson Bay drainage basin |
| Tributaries Right: | Nekence Creek |
The Fox River is a river in Kenora District in Northwestern Ontario, Canada.[1] It is in the Hudson Bay drainage basin and is a right tributary of the Severn River.
The river begins at Marugg Lake and flows northeast to its mouth at Fox Bay on the Severn River, about 30km (20miles) southwest of the First Nations community of Muskrat Dam. The Severn River flows to Hudson Bay.