| Rock Brook | |
|---|---|
 | |
 | |
| Location | |
| Country | United States |
| Physical characteristics | |
| Source | |
| • coordinates | 40°26′1″N 74°44′41″W / 40.43361°N 74.74472°W |
| Mouth | |
• coordinates | 40°24′39″N 74°40′24″W / 40.41083°N 74.67333°W |
• elevation | 52 ft (16 m) |
| Basin features | |
| Progression | Beden Brook, Millstone River, Raritan River, Atlantic Ocean |
| Tributaries | |
| • left | Cat Tail Brook |
Rock Brook is a tributary of Beden Brook in Somerset County, New Jersey in the United States.