| Roaring Brook | |
| Map: | Roaring Brook, New Jersey (map).jpg |
| Source1 Coordinates: | 40.4614°N -74.7144°W |
| Mouth Coordinates: | 40.4561°N -74.69°W |
| Subdivision Type1: | Country |
| Mouth Elevation: | 98feet |
| River System: | Raritan River system |
Roaring Brook is a tributary of Cruser Brook in Somerset County, New Jersey, in the United States.
Roaring Brook starts at 40.4614°N -74.7144°W,[1] on Sourland Mountain. It flows southeast until it joins Cruser Brook at the edge of Sourland Mountain at 40.4561°N -74.69°W.[1]