| Rattle River | |
| 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: | Coos |
| Subdivision Type4: | Town |
| Subdivision Name4: | Shelburne |
| Length: | 4.1miles |
| Source1: | Middle Moriah Mountain |
| Source1 Location: | White Mountain National Forest |
| Source1 Coordinates: | 44.3531°N -71.1125°W |
| Source1 Elevation: | 2770feet |
| Mouth: | Androscoggin River |
| Mouth Location: | Shelburne |
| Mouth Coordinates: | 44.405°N -71.1111°W |
| Mouth Elevation: | 710feet |
The Rattle River is a 4.1adj=midNaNadj=mid[1] river in the White Mountains of New Hampshire in the United States. It is a tributary of the Androscoggin River, which flows east into Maine, joining the Kennebec River close to the Atlantic Ocean.
The Rattle River rises in the saddle between Middle Moriah and Shelburne Moriah Mountain in the town of Shelburne, within the White Mountain National Forest. The river (better described as a large brook) flows north to the Androscoggin, dropping from to above sea level over its length.
The Appalachian Trail follows the river from its source to the Androscoggin River valley.