National Register of Historic Places listings in Washington County, Rhode Island

This is a list of the National Register of Historic Places listings in Washington County, Rhode Island.

This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Washington County, Rhode Island, 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 134 properties and districts listed on the National Register in the county, including 4 National Historic Landmarks.

This National Park Service list is complete through NPS recent listings posted April 4, 2025.