National Register of Historic Places listings in Malheur County, Oregon

This list presents the full set of buildings, structures, objects, sites, or districts designated on the National Register of Historic Places in Malheur County, Oregon, and offers brief descriptive information about each of them. The National Register recognizes places of national, state, or local historic significance across the United States. Out of over 90,000 National Register sites nationwide, Oregon is home to over 2,000, and 18 of those are found in Malheur County.