Indiana - Area of significance: Politics/Government
| Indianapolis City Hall, Old |
| Indianapolis Fire Headquarters and Municipal Garage |
| Indianapolis Veterans Administration Hospital |
| Indiana State Capitol |
| Indiana State Prison South-Indiana Reformatory- Colgate-Palmolive Historic District |
| Jackson County Courthouse |
| Jasper County Courthouse |
| Jasper Downtown Historic District |
| Jay County Courthouse |
| Johnson County Courthouse Square |
| Johnson-Denny House |
| Jones, Col. William, House |
| Julian-Clark House |
| Knightstown Historic District |
| Kokomo City Building |
| Kokomo Courthouse Square Historic District |
| La Grange County Courthouse |
| Lake County Courthouse |
| Lake County Sheriff's House and Jail |
| Lane, Henry S., House |
| Lebanon Courthouse Square Historic District |
| Leesburg Historic District |
| Liberty Courthouse Square Historic District |
| Lincoln Boyhood National Memorial |
| Linton Commercial Historic District |
| Lockefield Garden Apartments |
| Maier, Peter Augustus, House |
| Marion Branch, National Home for Disabled Volunteer Soldiers Historic District |
| Marion Downtown Commercial Historic District |
| Marquette School |
| Marshall County Court House |
| Marshall, Thomas R., House |
| Martin County Courthouse |
| Martinsville Commercial Historic District |
| McCormick Cabin Site |
| McCulloch, Hugh, House |
| Miami County Courthouse |
| Miller Town Hall |
| Mishawaka Fire Station No. 4 |
| Mitchell Downtown Historic District |
| Mitchell Opera House |
| Moffett-Ralston House |
| Mooresville Commercial Historic District |
| Morgan County Courthouse |
| Morgan County Sheriff's House and Jail |
| Morgantown Historic District |
| Morton, Oliver P., House |
| Mount Vernon Downtown Historic District |
| Mountz House |
| Nashville Historic District |
| New Castle Commercial Historic District |
| Newton County Courthouse |
| Nike Missile Site C47 |
| Noble County Courthouse |
| North Manchester Historic District |
| Old Clarksville Site |
| Old Courthouse (Second St. Joseph County Courthouse) |
| Old Hoosier Theatre |
| Old Northside Historic District |
| Old Perry County Courthouse |
| Old Richmond Historic District |
| Old Vanderburgh County Courthouse |
| Orange County Courthouse |
| Owen County Courthouse |
| Paoli Historic District |
| Patterson, J.W., House |
| Peru Courthouse Square Historic District |
| Pierce, James, Jr., House |
| Pike County Courthouse |
| Plymouth Fire Station |
| Plymouth Northside Historic District |
| Porter County Jail and Sheriff's House |
| Porter Town Hall |
| Portland Commercial Historic District |
| Posey County Courthouse Square |
| Princeton Courthouse Square Historic District |
| Pulaski County Courthouse |
| Read Dunes House |
| Remington Water Tower and Town Hall |
| Rensselaer Courthouse Square Historic District |
| Ripley County Courthouse |
| Rising Sun Historic District |
| Roberts-Morton House |
| Rochester Downtown Historic District |
| Rockville Historic District |
| Rushville Commercial Historic District |
| Salem Downtown Historic District |
| Scott, Andrew F., House |
| Scottsburg Courthouse Square Historic District |
| Shelby County Courthouse |
| Shirk-Edwards House |
| Shoals Historic District |
| Smith, Henry W., House |
| Soldiers and Sailors Memorial Coliseum |
| South Whitley Historic District |
| Spencer County Courthouse |
| Spencer Town Hall and Fire Station |
| Starke County Courthouse |
| Steuben County Courthouse |
| Steuben County Jail |
Data from United States Park Service and Wikidata
