| Marlboro Mountain | |
| Location: | Marlboro, New York, U.S. |
| Coordinates: | 41.6789°N -74.0122°W |
| Coordinates Ref: | [1] |
| Topo: | USGS Clintondale |
| Map: | New York#USA |
Marlboro Mountain is a mountain which is the peak of the Marlboro Mountains. Located in the state of New York west of Poughkeepsie. Illinois Mountain is located north of Marlboro Mountain.