National Register of Historic Places listings in Hancock County, Maine

This is a list of the National Register of Historic Places listings in Hancock County, Maine.

This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Hancock County, Maine, 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 125 properties and districts listed on the National Register in the county, including 2 National Historic Landmarks. Another 3 properties were once listed but have been removed.