Princeton is an unincorporated community in Jackson County, Alabama, United States.

Princeton is located on Alabama State Route 65 in the upper Paint Rock Valley.

Skyline lies just over 7 miles (11 km) miles to the east atop the Cumberland Plateau, and the Alabama–Tennessee state line passes several miles to the north.

Princeton has a post office with ZIP code 35766.

This Jackson County, Alabama state location article is a stub.