Montana - Role: District
| 4K Ranch |
| Adair, W. L., General Mercantile Historic District |
| Alice Creek Historic District |
| Anaconda Commercial Historic District |
| Anaconda Saddle Club |
| Bannack Historic District |
| Basin Creek Park Historic District |
| Beavertown Historic District |
| Belly River Ranger Station Historic District |
| Belt Commercial Historic District |
| Big Creek Ranger Station Historic District |
| Billings Historic District |
| Billings Old Town Historic District |
| Birch Creek CCC Camp |
| B-K Ranch |
| Black Otter Trail |
| Bones Brothers Ranch |
| Bon Ton Historic District |
| Bozeman Brewery Historic District |
| Brannin Ranch |
| B Street District |
| Butte, Anaconda and Pacific Railway Historic District |
| Butte-Anaconda Historic District |
| Camas Creek Cutoff Road |
| Camp Senia Historic District |
| Canyon Creek Charcoal Kilns |
| Carriage House Historic District |
| Cedarvale |
| Charter Oak Mine and Mill |
| Cheever-Cain Ranch |
| Chicken Creek Farmstead Historic District |
| Chico Hot Springs |
| Comertown Historic District |
| Commercial District |
| Commercial District |
| Conrad, C.E., Memorial Cemetery |
| Convict Grade Historic District |
| Cooper Park Historic District |
| Courthouse Historic District |
| Cow Creek Skirmish Historic District |
| Crocker-Jarvi Homestead |
| Cut Bank Municipal Airport and Army Air Force Base |
| Cut Bank Ranger Station Historic District |
| Deer Lodge Central Business Historic District |
| Demijohn Flat Archeological District |
| Dillon City Hall Historic District |
| East Glacier Ranger Station Historic District |
| East Main Street Residential Historic District |
| East Pine Street Historic District |
| East Side Historic District |
| East Side Neighborhood Historic District |
| East Side Residential District |
| Elkhorn-Coolidge Historic District |
| Elkhorn Ranch Historic District |
| Ervin Homestead-Gist Bottom Historic District |
| Everson Creek Archaeological District |
| Ferris-Hermsmeyer-Fenton |
| Fitzpatrick Ranch Historic District |
| Flathead National Forest Backcountry Administrative Facilities |
| Forestvale Cemetery |
| Forsyth Main Street Historic District |
| Forsyth Residential Historic District |
| Fort Assinniboine |
| Fort Benton |
| Fort C. F. Smith Historic District |
| Fort Harrison Veterans' Hospital Historic District |
| Fort Missoula Historic District |
| Fort Peck Original Houses Historic District |
| Fort Shaw Historic District and Cemetery |
| Garnet Historic District |
| Gehring Ranch |
| Gildersleeve Mine |
| Glacier National Park Tourist Trails-Inside Trail, South Circle, North Circle |
| Glenn's Dam Historic District |
| Going-to-the-Sun Road |
| Goosetown Historic District |
| Grant-Kohrs Ranch National Historic Site |
| Grant-Kohrs Ranch/Warren Ranch |
| Grant-Marshall Lime Kiln Historic District, The |
| Great Falls Central Business Historic District |
| Great Falls High School Historic District |
| Great Falls Northside Residential Historic District |
| Great Falls Portage |
| Great Falls Railroad Historic District |
| Great Falls West Bank Historic District |
| Great Northern Railway Buildings |
| Hagadone, Frank, Homestead |
| Hamilton Commercial Historic District |
| Hamilton Southside Residential Historic District |
| Harding Way Historic District |
| Havre Residential Historic District |
| Headquarters Historic District |
| Heikkila-Mattila Homestead |
| Helena Historic District |
| Helena Railroad Depot Historic District |
| Helena South-Central Historic District |
| Helena West Main Street Historic District |
| Henneberry, William F., Homestead |
| Hi Bug Historic District |
| Hilger, Joe and Carrie, Ranch |
Data from United States Park Service and Wikidata
