| Keyport Harbor | |
| Other Name: | Brown's Point Cove |
| Pushpin Map: | USA New Jersey Monmouth County |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location of Keyport Harbor, in Northern Monmouth County, New Jersey |
| Location: | Keyport, New Jersey |
| Coords: | 40.4446°N -74.1993°W |
| Type: | Harbor |
| Part Of: | Raritan Bay |
| Inflow: | Luppatatong Creek Matawan Creek Chingarora Creek |
| Oceans: | Atlantic Ocean |
| Basin Countries: | United States |
| Agency: | NY/NJ Baykeeper |
| Max-Depth: | [1] |
Keyport Harbor is an arm of Raritan Bay, located on the south side of the bay. Streams flowing into Keyport Harbor include Matawan Creek, Luppatatong Creek and Chingarora Creek.
An earlier name for Keyport Harbor is Brown's Point Cove.