| Mink 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: | County |
| Subdivision Name3: | Grafton |
| Subdivision Type4: | Town |
| Subdivision Name4: | Hanover |
| Length: | 9.5miles |
| Source1: | Moose Mountain |
| Source1 Location: | Hanover |
| Source1 Coordinates: | 43.6764°N -72.1706°W |
| Source1 Elevation: | 460m (1,510feet) |
| Mouth: | Connecticut River |
| Mouth Location: | Hanover |
| Mouth Coordinates: | 43.6961°N -72.2992°W |
| Mouth Elevation: | 383feet |
Mink Brook is a 9.5adj=midNaNadj=mid stream in western New Hampshire in the United States. It is a tributary of the Connecticut River, which flows to Long Island Sound.
Mink Brook lies entirely in the town of Hanover. It rises on the western slopes of Moose Mountain and flows west, through the village of Etna, before reaching the Connecticut just north of the Hanover-Lebanon municipal boundary.