| Black Brook | |
| Pushpin Map: | New Hampshire#USA |
| Pushpin Map Size: | 250 px |
| Subdivision Type1: | Country |
| Subdivision Name1: | United States |
| Subdivision Type2: | State |
| Subdivision Name2: | New Hampshire |
| Subdivision Type3: | Counties |
| Subdivision Name3: | Merrimack, Hillsborough |
| Subdivision Type4: | Municipalities |
| Subdivision Name4: | Dunbarton, Goffstown, Manchester |
| Length: | 11.4miles |
| Source1: | Kimball Pond |
| Source1 Location: | Dunbarton |
| Source1 Coordinates: | 43.0817°N -71.5753°W |
| Source1 Elevation: | 494feet |
| Mouth: | Merrimack River |
| Mouth Location: | Manchester |
| Mouth Coordinates: | 43.0094°N -71.4753°W |
| Mouth Elevation: | 175feet |
Black Brook is an 11.4adj=midNaNadj=mid[1] stream located in southern New Hampshire in the United States. It is a tributary of the Merrimack River, which flows to the Gulf of Maine.
Black Brook begins at the outlet of Kimball Pond in Dunbarton, New Hampshire. The brook travels southeast into Goffstown and then Manchester, joining the Merrimack just upstream from Amoskeag Falls.