Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Jackson State Recreation Area | Park | 197 | Orange | 38 26 37 N | 086 40 15 W |
| Jackson Township Elementary School | School | 199 | Clay | 39 28 25 N | 087 04 30 W |
| Jackson-Shilling Ditch | Canal | 212 | Starke | 41 17 21 N | 086 39 14 W |
| Jackson-Washington State Forest | Forest | 269 | Washington | 38 50 42 N | 086 03 07 W |
| Jacksonburg | Populated Place | 301 | Wayne | 39 51 11 N | 085 06 21 W |
| Jacksons | Populated Place | 268 | Tipton | 40 19 45 N | 086 03 40 W |
| Jacksonville | Populated Place | 263 | Switzerland | 38 49 44 N | 085 02 56 W |
| Jacobs Creek | Stream | | Floyd | 38 20 28 N | 085 46 55 W |
| Jacobs Ditch | Canal | 271 | Noble | 41 28 30 N | 085 30 20 W |
| Jacobs Hollow | Valley | | Monroe | 39 03 57 N | 086 28 42 W |
| Jacoby Church | Church | 249 | Marshall | 41 21 17 N | 086 15 42 W |
| Jacques Marquette Elementary School | School | 184 | Lake | 41 36 43 N | 087 15 45 W |
| Jadden | Populated Place | 271 | Grant | 40 32 10 N | 085 27 27 W |
| Jahn Creek | Stream | | Dubois | 38 21 13 N | 086 54 30 W |
| Jain Ditch | Canal | 210 | Starke | 41 23 19 N | 086 32 28 W |
| Jake Hollow | Valley | | Perry | 38 10 16 N | 086 32 45 W |
| Jakes Branch | Stream | | Henry | 39 56 35 N | 085 27 11 W |
| Jakes Butte | Summit | 264 | Morgan | 39 27 37 N | 086 28 50 W |
| Jakes Creek | Stream | | Delaware | 40 14 40 N | 085 31 57 W |
| Jalapa | Populated Place | 248 | Grant | 40 37 40 N | 085 44 44 W |
| James A Allison Elementary School | School | 226 | Marion | 39 47 49 N | 086 14 57 W |
| James A Garfield Elementary School | School | 218 | Marion | 39 44 12 N | 086 09 14 W |
| James Airport | Airport | 224 | Jasper | 40 46 01 N | 087 06 18 W |
| James B Eads Elementary School | School | 182 | Lake | 41 34 06 N | 087 30 55 W |
| James Branch | Stream | | Floyd | 38 23 03 N | 085 52 29 W |
| James Cemetery | Cemetery | 255 | Franklin | 39 25 06 N | 084 54 26 W |
| James Cemetery | Cemetery | 257 | Montgomery | 39 52 06 N | 086 54 14 W |
| James Cemetery | Cemetery | 192 | Porter | 41 34 18 N | 087 08 01 W |
| James Cemetery | Cemetery | 113 | Posey | 37 56 14 N | 087 29 37 W |
| James Cemetery | Cemetery | 216 | Warren | 40 22 53 N | 087 13 11 W |
| James Ditch | Canal | 198 | Jasper | 41 15 04 N | 087 05 46 W |
| James Ditch | Canal | 200 | Jasper | 41 14 56 N | 087 04 20 W |
| James Ditch | Canal | 213 | Pulaski | 41 09 55 N | 086 44 55 W |
| James Ditch | Canal | 220 | Pulaski | 41 06 05 N | 086 30 21 W |
| James Ditch | Canal | 218 | Starke | 41 12 01 N | 086 32 54 W |
| James E Larimer Park | Park | 213 | Lake | 41 26 56 N | 087 29 06 W |
| James E Roberts Special School | School | 220 | Marion | 39 46 51 N | 086 08 05 W |
| James F D Lanier Memorial | Park | 140 | Jefferson | 38 44 06 N | 085 23 10 W |
| James Lake | Lake | 254 | Kosciusko | 41 19 10 N | 085 43 35 W |
| James Madison Elementary School | School | 209 | St. Joseph | 41 41 06 N | 086 15 10 W |
| James Monroe Elementary School | School | 247 | St. Joseph | 41 38 34 N | 086 14 43 W |
| James Whitcomb Riley Elementary School | School | 329 | Henry | 39 54 07 N | 085 22 17 W |
| James Whitcomb Riley Elementary School | School | 127 | Knox | 38 40 43 N | 087 30 56 W |
| James Whitcomb Riley Elementary School | School | 181 | Lake | 41 34 18 N | 087 29 50 W |
| James Whitcomb Riley Elementary School | School | 197 | Lake | 41 32 23 N | 087 19 14 W |
| James Whitcomb Riley Elementary School | School | 224 | Marion | 39 49 44 N | 086 09 39 W |
| James Whitcomb Riley Monument | Park | 238 | Marion | 39 49 14 N | 086 10 41 W |
| James Whitcomb Riley School | School | 118 | Posey | 37 55 44 N | 087 54 24 W |
| Jameson Creek | Stream | | Dearborn | 39 14 08 N | 084 48 26 W |
| Jamestown | Populated Place | 290 | Boone | 39 55 36 N | 086 37 44 W |
| Jamestown | Populated Place | 237 | Elkhart | 41 38 08 N | 086 01 22 W |
| Jamestown | Populated Place | 297 | Steuben | 41 44 54 N | 085 01 03 W |
| Jamestown Cemetery | Cemetery | 302 | Steuben | 41 44 41 N | 085 02 18 W |
| Jamison Ditch | Canal | 256 | Wells | 40 40 22 N | 085 15 51 W |
| Jamison Lake | Lake | 270 | Kosciusko | 41 06 56 N | 085 53 54 W |
| Jamstutz Ditch | Canal | 250 | Adams | 40 38 24 N | 084 56 18 W |
| Jane Horton Ball Elementary School | School | 228 | Lake | 41 22 33 N | 087 26 59 W |
| Janes Cemetery | Cemetery | 195 | Porter | 41 30 18 N | 087 11 48 W |
| Janney | Populated Place | 273 | Delaware | 40 21 54 N | 085 32 38 W |
| Janney Run | Stream | | Delaware | 40 22 32 N | 085 32 43 W |
| Jaque Cemetery | Cemetery | 274 | Jay | 40 25 37 N | 084 59 01 W |
| Jarrell Hollow | Valley | | Monroe | 39 00 47 N | 086 27 27 W |
| Jarretts | Populated Place | 140 | Warrick | 38 07 15 N | 087 21 31 W |
| Jarvis Cemetery | Cemetery | 233 | Parke | 39 51 25 N | 087 03 17 W |
| Jason Lake Dam | Dam | 168 | Greene | 39 10 06 N | 087 14 18 W |
| Jasonville | Populated Place | 193 | Greene | 39 09 47 N | 087 11 57 W |
| Jasper | Populated Place | 142 | Dubois | 38 23 29 N | 086 55 52 W |
| Jasper Brook | Stream | | Dubois | 38 24 40 N | 086 52 41 W |
| Jasper County | Civil | 209 | Jasper | 41 02 29 N | 087 09 05 W |
| Jasper County Airport | Airport | 209 | Jasper | 40 56 49 N | 087 11 07 W |
| Jasper Drain | Stream | | Dubois | 38 24 11 N | 086 57 32 W |
| Jasper Lake | Reservoir | 146 | Dubois | 38 24 00 N | 086 52 36 W |
| Jasper Lake Dam | Dam | 146 | Dubois | 38 24 00 N | 086 52 36 W |
| Jasper-Pulaski Fish and Wildlife Area | Park | 216 | Pulaski | 41 09 48 N | 086 55 58 W |
| Jasper-Pulaski Nursery | Park | 212 | Pulaski | 41 09 30 N | 086 54 05 W |
| Jay Branch | Stream | | Delaware | 40 14 49 N | 085 30 40 W |
| Jay C Shopping Center | Locale | 183 | Clark | 38 26 35 N | 085 39 44 W |
| Jay City | Populated Place | 257 | Jay | 40 34 02 N | 084 50 55 W |
| Jay County | Civil | 277 | Jay | 40 26 04 N | 084 58 40 W |
| Jay County High School | School | 277 | Jay | 40 25 52 N | 084 58 30 W |
| Jay Ditch | Canal | 284 | Hamilton | 40 07 10 N | 086 10 25 W |
| Jay Ditch | Canal | 281 | Hancock | 40 07 43 N | 086 10 11 W |
| Jay Pond | Lake | 235 | Monroe | 39 00 57 N | 086 20 57 W |
| Jay Run | Stream | | Floyd | 38 21 23 N | 085 48 02 W |
| Jaycee Park | Park | 189 | Lake | 41 31 51 N | 087 27 17 W |
| Jaycee Park | Park | 243 | Putnam | 39 37 44 N | 086 49 13 W |
| Jean Williamson Lake | Reservoir | 261 | Bartholomew | 39 13 00 N | 086 04 30 W |
| Jean Williamson Lake Dam | Dam | 261 | Bartholomew | 39 13 00 N | 086 04 30 W |
| Jeff | Populated Place | 259 | Wells | 40 36 19 N | 085 21 11 W |
| Jeff Branch | Stream | | Washington | 38 31 10 N | 085 57 05 W |
| Jeff Run | Stream | | Jay | 40 22 25 N | 085 02 48 W |
| Jefferson | Populated Place | 262 | Clinton | 40 16 46 N | 086 35 24 W |
| Jefferson Cemetery | Cemetery | 256 | Clinton | 40 17 25 N | 086 35 23 W |
| Jefferson Center Church | Church | 259 | Huntington | 40 41 47 N | 085 30 23 W |
| Jefferson Center School | School | 260 | Whitley | 41 02 55 N | 085 23 36 W |
| Jefferson Chapel | Church | 264 | Whitley | 41 03 47 N | 085 23 37 W |
| Jefferson Church | Church | 269 | Grant | 40 28 36 N | 085 31 23 W |
| Jefferson Church | Church | 275 | Jefferson | 38 53 43 N | 085 18 25 W |
| Jefferson Church | Church | 273 | Ripley | 38 53 42 N | 085 18 23 W |
| Jefferson County | Civil | 247 | Jefferson | 38 48 34 N | 085 27 13 W |
| Jefferson Ditch | Canal | 270 | Grant | 40 27 26 N | 085 29 19 W |
| Jefferson Elementary School | School | 192 | Bartholomew | 39 12 39 N | 085 54 56 W |
| Jefferson Elementary School | School | 183 | Lake | 41 35 56 N | 087 20 28 W |
| Jefferson Elementary School | School | 190 | LaPorte | 41 41 50 N | 086 53 43 W |
| Jefferson Elementary School | School | 241 | Marshall | 41 21 11 N | 086 18 22 W |
| Jefferson Elementary School | School | 264 | Tipton | 40 16 53 N | 086 02 46 W |
| Jefferson Lake | Reservoir | 168 | Jefferson | 38 48 12 N | 085 18 51 W |
| Jefferson Park | Park | 185 | Lake | 41 35 51 N | 087 20 37 W |
| Jefferson Park | Park | 185 | Lake | 41 35 15 N | 087 29 13 W |
| Jefferson Park | Park | 251 | Wells | 40 43 49 N | 085 10 07 W |