| Coulter Brook | |
| River | |
| Country | United States |
|---|---|
| State | New York |
| Source | |
| - location | Delaware County, New York |
| Mouth | Little Delaware River |
| - location | Bovina Center, New York, Delaware County, New York, United States |
| - coordinates | 42°15′29″N 74°46′19″W / 42.25806°N 74.77194°WCoordinates: 42°15′29″N 74°46′19″W / 42.25806°N 74.77194°W |
| Basin | 4.57 sq mi (12 km2) |
Coulter Brook flows into the Little Delaware River by Bovina Center, New York.