List of National Historic Landmarks in New Jersey

The United States National Historic Landmark (NHL) program is operated under the auspices of the National Park Service, and recognizes structures, districts, objects, and similar resources according to a list of criteria of national significance.

[2] Download coordinates as: There are NHLs in seventeen of the twenty-one counties in the state.

Mercer County has fourteen NHLs, in and around Princeton, New Jersey.

National Historic Sites, National Historic Parks, National Memorials, and certain other areas listed in the National Park system are historic landmarks of national importance that are highly protected already, often before the inauguration of the NHL program in 1960, and are often not also named NHLs per se.

The National Park Service lists these three together with the NHLs in the state,[5] These are: