National Register of Historic Places listings in Los Alamos County, New Mexico

This is a list of the National Register of Historic Places listings in Los Alamos County, New Mexico.

This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Los Alamos County, New Mexico, United States. Latitude and longitude coordinates are provided for many National Register properties and districts; these locations may be seen together in a map.

There are 13 properties and districts listed on the National Register in the county, including 2 National Historic Landmarks. Eight of these sites are also recorded on the State Register of Cultural Properties.