| Jenness State Beach | |
| Photo Width: | 280 |
| Location: | 2280 Ocean Blvd, Rye, Rockingham County, New Hampshire, United States |
| Coords: | 42.9856°N -70.7619°W |
| Established: | 1980 |
| Designation: | New Hampshire state park |
| Administrator: | New Hampshire Division of Parks and Recreation |
| Website: | Jenness State Beach |
Jenness State Beach is a small state park located on the Atlantic Ocean in the town of Rye, New Hampshire. The park offers swimming at a sandy beach with a bathhouse and picnicking. The parking lot can accommodate 67 cars.