| Little Rocky Hill, New Jersey | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | USA New Jersey Middlesex County#USA New Jersey#USA |
| Pushpin Label: | Little Rocky Hill |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location in Middlesex County |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Middlesex, Somerset |
| Subdivision Type3: | Township |
| Subdivision Name3: | South Brunswick, Franklin |
| Elevation Ft: | 249 |
| Coordinates: | 40.3975°N -74.5889°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 877856 |
| Unit Pref: | imperial |
Little Rocky Hill is an unincorporated community located within South Brunswick in Middlesex County and Franklin Township, Somerset County, in the U.S. state of New Jersey.[1] The community is located atop a small hill east of the borough of Rocky Hill. The Middlesex–Somerset county line runs through the community along Old Road though elsewhere it follows Route 27. Carters Brook runs through the area flowing south.