This is a list of the National Register of Historic Places listings in Washington County, Utah.
This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Washington County, Utah, 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 87 properties and districts listed on the National Register in the county. Of these, 29 are located within Zion National Park and are described in National Register of Historic Places listings in Zion National Park, and 59 are listed here. One listing appears on both lists due to its geography. Two listings have been removed.
Besides those included in Zion National Park, the current listings are: