Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Indian Lake Recreation Area | Park | 143 | Perry | 38 11 27 N | 086 39 20 W |
| Indian Lakes | Lake | 276 | LaGrange | 41 32 30 N | 085 24 60 W |
| Indian Mound | Locale | 240 | Jefferson | 38 47 04 N | 085 15 41 W |
| Indian Mound | Locale | 151 | Knox | 38 40 14 N | 087 30 22 W |
| Indian Mound Cemetery | Cemetery | 156 | Pike | 38 29 29 N | 087 18 09 W |
| Indian Pond | Lake | 142 | Daviess | 38 53 59 N | 087 04 44 W |
| Indian Prairie Church | Church | 153 | Sullivan | 38 56 50 N | 087 18 29 W |
| Indian Ridge | Ridge | 240 | Crawford | 38 12 32 N | 086 22 19 W |
| Indian Ridge | Ridge | 252 | Putnam | 39 30 15 N | 086 54 47 W |
| Indian Ridge Country Club | Locale | 195 | Lake | 41 30 06 N | 087 14 21 W |
| Indian Rock Lake | Reservoir | 153 | Daviess | 38 40 18 N | 087 02 06 W |
| Indian Run | Stream | | Martin | 38 38 03 N | 086 50 03 W |
| Indian Spring | Spring | 241 | Washington | 38 33 30 N | 086 09 29 W |
| Indian Springs | Populated Place | 159 | Martin | 38 47 47 N | 086 45 54 W |
| Indian Springs Park | Park | 194 | Porter | 41 37 07 N | 087 04 48 W |
| Indian Trace Creek | Stream | | Morgan | 39 21 21 N | 086 19 05 W |
| Indian Trail School | School | 262 | LaGrange | 41 42 30 N | 085 27 07 W |
| Indian Village | Populated Place | 235 | Allen | 41 02 54 N | 085 10 21 W |
| Indian Village | Populated Place | 271 | Noble | 41 21 57 N | 085 38 22 W |
| Indian Village | Populated Place | 221 | St. Joseph | 41 42 50 N | 086 14 08 W |
| Indian Village | Populated Place | 212 | Tippecanoe | 40 27 59 N | 086 54 03 W |
| Indian Village Elementary School | School | 241 | Allen | 41 03 01 N | 085 10 35 W |
| Indiana Academy | School | 257 | Hamilton | 40 08 54 N | 086 00 44 W |
| Indiana Baptist Church | Church | 215 | Marion | 39 46 31 N | 086 10 17 W |
| Indiana Beach | Populated Place | 197 | White | 40 47 29 N | 086 46 05 W |
| Indiana Business College | School | 218 | Marion | 39 46 42 N | 086 09 29 W |
| Indiana Chapel | Church | 253 | Marshall | 41 28 42 N | 086 14 28 W |
| Indiana Church | Church | 174 | Knox | 38 38 31 N | 087 26 45 W |
| Indiana Department of Natural Resources Airport | Airport | 216 | Marion | 39 45 55 N | 086 10 05 W |
| Indiana Dunes National Lakeshore | Park | 201 | Porter | 41 38 30 N | 087 02 30 W |
| Indiana Dunes State Park | Park | 181 | Porter | 41 39 47 N | 087 02 13 W |
| Indiana Gun Club | Locale | 256 | Hamilton | 39 57 20 N | 085 53 53 W |
| Indiana Harbor | Harbor | 175 | Lake | 41 40 12 N | 087 26 28 W |
| Indiana Harbor | Populated Place | 180 | Lake | 41 38 26 N | 087 26 43 W |
| Indiana Harbor Boat Club | Locale | 180 | Lake | 41 39 16 N | 087 26 18 W |
| Indiana Harbor Boat Club North Light | Locale | 175 | Lake | 41 39 16 N | 087 26 14 W |
| Indiana Harbor Boat Club South Light | Locale | 175 | Lake | 41 39 15 N | 087 26 11 W |
| Indiana Harbor Canal | Canal | 175 | Lake | 41 38 49 N | 087 28 14 W |
| Indiana Harbor Catholic Elementary School | Park | 180 | Lake | 41 38 30 N | 087 26 38 W |
| Indiana Harbor East Breakwater Light | Locale | 175 | Lake | 41 40 52 N | 087 26 28 W |
| Indiana Harbor East Bulkhead Light | Locale | 180 | Lake | 41 40 09 N | 087 24 39 W |
| Indiana Harbor Fire Station Number 2 | Building | 181 | Lake | 41 39 04 N | 087 26 51 W |
| Indiana Harbor Light 2 | Locale | 175 | Lake | 41 41 05 N | 087 26 50 W |
| Indiana Harbor Light 5 | Locale | 175 | Lake | 41 40 29 N | 087 26 19 W |
| Indiana Harbor Light 6 | Locale | 175 | Lake | 41 40 23 N | 087 26 25 W |
| Indiana Harbor Light 7 | Locale | 178 | Lake | 41 40 01 N | 087 26 31 W |
| Indiana Harbor Light 8 | Locale | 176 | Lake | 41 40 03 N | 087 26 35 W |
| Indiana Harbor Methodist Episcopal Church (historical) | Church | 181 | Lake | 41 38 57 N | 087 26 57 W |
| Indiana Harbor North Bulkhead Light | Locale | 175 | Lake | 41 40 37 N | 087 24 08 W |
| Indiana Harbor South Bulkhead Light | Locale | 175 | Lake | 41 39 03 N | 087 25 16 W |
| Indiana Institute of Technology | School | 239 | Allen | 41 04 35 N | 085 07 04 W |
| Indiana Lake | Lake | 232 | Elkhart | 41 45 31 N | 085 49 58 W |
| Indiana School for Feeble Minded Youth | School | 236 | Allen | 41 05 55 N | 085 07 40 W |
| Indiana School for the Blind | School | 233 | Marion | 39 53 45 N | 086 08 30 W |
| Indiana School for the Deaf | School | 225 | Marion | 39 50 10 N | 086 07 60 W |
| Indiana Shoals | Bar | 175 | Lake | 41 42 30 N | 087 23 48 W |
| Indiana Soldiers and Sailors Children Camp | Park | 265 | Hancock | 39 44 15 N | 085 38 25 W |
| Indiana Soldiers and Sailors Childrens Home | School | 299 | Rush | 39 46 16 N | 085 31 06 W |
| Indiana State Museum | Building | 218 | Marion | 39 46 12 N | 086 09 10 W |
| Indiana State University | School | 147 | Vanderburgh | 37 57 44 N | 087 40 35 W |
| Indiana State University | School | 153 | Vigo | 39 28 07 N | 087 24 31 W |
| Indiana State University Lake | Reservoir | 133 | Vanderburgh | 37 57 40 N | 087 40 50 W |
| Indiana State University Lake Dam | Dam | 133 | Vanderburgh | 37 57 40 N | 087 40 50 W |
| Indiana Territorial Capitol | Park | 129 | Knox | 38 41 15 N | 087 31 21 W |
| Indiana University | School | 233 | Monroe | 39 09 58 N | 086 31 35 W |
| Indiana University at South Bend Airport | Airport | 218 | St. Joseph | 41 39 54 N | 086 13 20 W |
| Indiana University Biological Station | School | 282 | Noble | 41 16 05 N | 085 28 52 W |
| Indiana University Calumet Center | School | 178 | Lake | 41 38 32 N | 087 28 47 W |
| Indiana University Center | School | 135 | Clark | 38 16 34 N | 085 44 28 W |
| Indiana University Law School | School | 217 | Marion | 39 46 28 N | 086 09 37 W |
| Indiana University Medical Center | School | 214 | Marion | 39 46 34 N | 086 10 48 W |
| Indiana University Northwest | School | 182 | Lake | 41 33 22 N | 087 20 20 W |
| Indiana University Regional Campus | School | 218 | Marion | 39 46 24 N | 086 08 60 W |
| Indiana University South Bend | School | 217 | St. Joseph | 41 39 50 N | 086 13 13 W |
| Indiana University South Bend Campus | School | 215 | St. Joseph | 41 39 47 N | 086 13 11 W |
| Indiana University Stadium | Park | 230 | Monroe | 39 10 52 N | 086 31 32 W |
| Indiana University-Purdue University at Fort Wayne | School | 242 | Allen | 41 07 00 N | 085 05 50 W |
| Indiana University-Purdue University at Indianapolis | School | 212 | Marion | 39 46 35 N | 086 11 07 W |
| Indiana Village for Epileptics | Hospital | 299 | Henry | 39 57 43 N | 085 21 42 W |
| Indiana Vocational - Technical College | School | 187 | Lake | 41 33 20 N | 087 18 53 W |
| Indiana Vocational Technical College | School | 242 | Marion | 39 44 05 N | 086 16 49 W |
| Indiana Vocational Technical School | School | 219 | St. Joseph | 41 39 46 N | 086 16 24 W |
| Indiana Youth Center | Building | 237 | Hendricks | 39 41 25 N | 086 24 53 W |
| Indianapolis | Populated Place | 218 | Marion | 39 46 06 N | 086 09 29 W |
| Indianapolis Bahai Assembly | Church | 243 | Marion | 39 49 23 N | 086 06 01 W |
| Indianapolis Baptist Tabernacle | Church | 255 | Marion | 39 43 45 N | 086 04 25 W |
| Indianapolis Baptist Temple | Church | 222 | Marion | 39 43 40 N | 086 08 54 W |
| Indianapolis Boulevard Interchange | Crossing | 184 | Lake | 41 34 30 N | 087 28 45 W |
| Indianapolis Boys Club Camp | Park | 256 | Hamilton | 40 05 54 N | 086 05 00 W |
| Indianapolis Brookside Airpark | Airport | 258 | Hancock | 39 54 19 N | 085 55 29 W |
| Indianapolis Country Club | Locale | 247 | Marion | 39 48 24 N | 086 18 22 W |
| Indianapolis Downtown Airport | Airport | 228 | Marion | 39 45 30 N | 086 07 31 W |
| Indianapolis First Church of God | Church | 260 | Marion | 39 44 35 N | 086 01 31 W |
| Indianapolis Hebrew Congregation | Church | 232 | Marion | 39 52 35 N | 086 09 24 W |
| Indianapolis International Airport | Airport | 241 | Marion | 39 43 27 N | 086 16 59 W |
| Indianapolis Metropolitan Airfield | Airport | 242 | Hamilton | 39 56 10 N | 086 02 45 W |
| Indianapolis Motor Speedway | Locale | 222 | Marion | 39 47 41 N | 086 14 06 W |
| Indianapolis Raceway Park | Locale | 261 | Marion | 39 48 45 N | 086 20 27 W |
| Indianapolis Sailing Club | Locale | 241 | Hamilton | 39 55 53 N | 085 56 32 W |
| Indianapolis Terry Airport | Airport | 281 | Boone | 40 02 08 N | 086 15 18 W |
| Indianapolis Water Company Canal | Canal | 212 | Marion | 39 48 55 N | 086 11 22 W |
| Indianhead Lake | Reservoir | 252 | Hendricks | 39 47 06 N | 086 25 18 W |
| Indianola | Populated Place | 294 | LaGrange | 41 33 53 N | 085 14 49 W |
| Indianola Park | Park | 214 | Marion | 39 46 00 N | 086 11 37 W |
| Infant of Prague Brighter Day Spiritual Church | Church | 219 | Marion | 39 47 36 N | 086 09 32 W |
| Ingalls | Populated Place | 264 | Madison | 39 57 25 N | 085 48 19 W |
| Ingallston | Populated Place | 247 | Marion | 39 43 30 N | 086 05 05 W |
| Ingerman Ditch | Canal | 241 | Hamilton | 40 05 20 N | 086 00 07 W |
| Inglefield | Populated Place | 144 | Vanderburgh | 38 06 29 N | 087 33 32 W |
| Inital Point Historical Monument | Park | 191 | Orange | 38 28 10 N | 086 27 21 W |