| Campbell Brook | |
| Pushpin Map: | New York |
| Pushpin Map Caption: | Location of the mouth of Campbell Brook |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | New York |
| Source1 Coordinates: | 42.8294°N -75.1836°W |
| Mouth: | Unadilla River |
| Mouth Coordinates: | 42.8178°N -75.2441°W[1] |
| Mouth Elevation: | 1125feet |
Campbell Brook is a river in Otsego County, New York. It flows into Unadilla River south of Unadilla Forks and southwest of Mount Markham.