Indiana - Role: District
| Holy Rosary-Danish Church Historic District |
| Homecroft Historic District |
| Hope Historic District |
| Horace Mann Historic District |
| Hovey Lake Archaeological District |
| Howard Park Historic District |
| Huntingburg Commercial Historic District |
| Huntington Courthouse Square Historic District |
| Illsley Place-West Rudisill Historic District |
| Independence Historic District |
| Indiana and Michigan Avenues Historic District |
| Indiana Avenue Historic District |
| Indianapolis Motor Speedway |
| Indianapolis Park and Boulevard System |
| Indianapolis Union Station-Wholesale District |
| Indianapolis Veterans Administration Hospital |
| Indiana School for the Deaf |
| Indiana Soldiers' and Sailors' Children's Home |
| Indiana State Prison South-Indiana Reformatory- Colgate-Palmolive Historic District |
| Indiana State Soldiers Home Historic District |
| Indiana War Memorial Historic District |
| Indian Village Historic District |
| Indi-Illi Park Historic District |
| Irvington Historic District |
| Irvington Terrace Historic District |
| Jackson-Monroe Terraces Historic District |
| Jacobs, Terrell, Circus Winter Quarters |
| Jasper Downtown Historic District |
| Jefferson Historic District |
| Jefferson Street Historic District |
| Jenkins Place |
| Johnson's, Oliver, Woods Historic District |
| Josiah White’s Manual Labor Institute |
| Kendallville Downtown Historic District |
| Kensington Boulevard Historic District |
| Kimbrough, Emily, Historic District |
| Kimmell Park |
| Kirby Historic District |
| Kirkwood Park Historic District |
| Kline, John and Minerva, Farm |
| Kneipp Springs Historic District |
| Knightstown Historic District |
| Kokomo Courthouse Square Historic District |
| Ladywood Estates |
| Lafayette Place Historic District |
| LaFontaine Historic District |
| Lake Erie and Western Depot Historic District |
| Lakeside Historic District |
| Landing, The, Historic District |
| Laurel and Prospect District |
| Lebanon Courthouse Square Historic District |
| Leeper Park |
| Leesburg Historic District |
| Liberty Courthouse Square Historic District |
| Liberty Residential Historic District |
| Ligonier Historic District |
| Lincoln Boyhood National Memorial |
| Lincoln Heights Historic District |
| Lincoln Pioneer Village |
| Lincolnshire Historic District |
| Lincoln Street Historic District |
| Linton Commercial Historic District |
| Linwood Colonial Apartments |
| Lockerbie Square Historic District |
| Lowell Commercial Historic District |
| Madison Historic District |
| Manche, Maurice W., Farmstead |
| Mansion Row Historic District |
| Maple Grove Campground |
| Maple Grove Road Rural Historic District |
| Maplelawn Farmstead |
| Marcy Village Apartments |
| Marion Branch, National Home for Disabled Volunteer Soldiers Historic District |
| Marion Downtown Commercial Historic District |
| Marktown Historic District |
| Martin Place Historic District |
| Martinsville Commercial Historic District |
| Martinsville Northside Historic District |
| Massachusetts Avenue Commercial District |
| Matthews Stone Company Historic District |
| McCall Family Farmstead |
| McDoel Historic District |
| Meeks Avenue Historic District |
| Memorial Park |
| Meridian-Forest Historic District |
| Meridian Park Historic District |
| Meshingomesia (Mihsiinkweemisa) Cemetery and Indian School Historic District |
| Metamora Historic District |
| Middletown Commercial Historic District |
| Military Park |
| Minnetrista Boulevard Historic District |
| Mitchell Downtown Historic District |
| Monon Commercial Historic District |
| Monroe Terrace Historic District |
| Mooresville Commercial Historic District |
| Morehous Residential Historic District |
| Morgantown Historic District |
| Morningside Historic District |
| Mount Vernon Downtown Historic District |
| Muessel-Drewry's Brewery |
Data from United States Park Service and Wikidata
