| River Font | |
| Pushpin Map: | United Kingdom Northumberland |
| Pushpin Map Caption: | Location of the mouth within Northumberland |
| Subdivision Type1: | Country |
| Subdivision Name1: | United Kingdom |
| Subdivision Type3: | County |
| Subdivision Name3: | Northumberland |
| Length: | 40km (30miles) |
| Mouth Location: | River Wansbeck |
| Mouth Coordinates: | 55.1671°N -1.7293°W |
| Basin Size: | 104km2 |
The River Font is a river that flows through Northumberland, England.[1] The river is a tributary of the River Wansbeck which it joins at Mitford.[2]