Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Indian Creek | Stream | | Clay | 38 43 27 N | 088 21 31 W |
| Indian Creek | Stream | | Coles | 39 24 35 N | 088 10 15 W |
| Indian Creek | Stream | | Edgar | 39 31 26 N | 087 34 03 W |
| Indian Creek | Stream | | Edgar | 39 43 55 N | 087 41 43 W |
| Indian Creek | Stream | | Edwards | 38 24 14 N | 087 58 11 W |
| Indian Creek | Stream | | Jackson | 37 41 06 N | 089 11 28 W |
| Indian Creek | Stream | | Knox | 40 44 13 N | 090 26 18 W |
| Indian Creek | Stream | | La Salle | 41 26 24 N | 088 45 46 W |
| Indian Creek | Stream | | Lake | 42 11 42 N | 087 55 20 W |
| Indian Creek | Stream | | Lawrence | 38 41 35 N | 087 40 19 W |
| Indian Creek | Stream | | Livingston | 40 46 12 N | 088 29 11 W |
| Indian Creek | Stream | | Madison | 38 48 35 N | 090 01 31 W |
| Indian Creek | Stream | | Menard | 40 02 42 N | 089 49 54 W |
| Indian Creek | Stream | | Saline | 37 52 57 N | 088 26 12 W |
| Indian Creek | Stream | | Stark | 40 59 20 N | 089 49 19 W |
| Indian Creek | Stream | | Stephenson | 42 29 31 N | 089 47 23 W |
| Indian Creek | Stream | | Tazewell | 40 26 15 N | 089 28 53 W |
| Indian Creek | Stream | | White | 37 55 55 N | 088 20 28 W |
| Indian Creek Church | Church | 176 | Calhoun | 39 11 57 N | 090 42 07 W |
| Indian Creek Country Club | Locale | 205 | Livingston | 40 44 15 N | 088 30 41 W |
| Indian Creek Country Estates (subdivision) | Populated Place | 238 | Lake | 42 13 57 N | 088 02 25 W |
| Indian Creek High School | School | 272 | DeKalb | 41 45 48 N | 088 52 33 W |
| Indian Creek Middle School | School | 248 | DeKalb | 41 45 58 N | 088 46 28 W |
| Indian Creek Mine | Mine | 168 | Menard | 40 00 42 N | 089 48 06 W |
| Indian Creek Number 7 Election Precinct | Civil | 168 | Menard | 40 04 43 N | 089 47 06 W |
| Indian Creek School (historical) | School | 160 | Calhoun | 39 11 42 N | 090 41 06 W |
| Indian Creek School (historical) | School | 228 | Henry | 41 09 51 N | 089 55 26 W |
| Indian Creek Village Hall | Building | 219 | Lake | 42 13 19 N | 087 58 18 W |
| Indian Field Cemetery | Cemetery | 224 | McLean | 40 37 03 N | 088 46 25 W |
| Indian Ford | Crossing | 157 | Fulton | 40 41 50 N | 090 17 23 W |
| Indian Ford Bridge | Bridge | 157 | Fulton | 40 41 50 N | 090 17 23 W |
| Indian Grave Lake | Lake | 145 | Adams | 40 06 09 N | 091 28 05 W |
| Indian Grave School (historical) | School | 145 | Adams | 40 05 08 N | 091 27 28 W |
| Indian Grove Elementary School | School | 196 | Cook | 42 05 26 N | 087 53 55 W |
| Indian Grove School (historical) | School | 224 | Warren | 41 00 28 N | 090 34 13 W |
| Indian Head Park | Populated Place | 199 | Cook | 41 46 13 N | 087 54 08 W |
| Indian Heliport | Airport | 132 | Lawrence | 38 42 52 N | 087 40 38 W |
| Indian Hill | Populated Place | 201 | Cook | 41 30 06 N | 087 38 52 W |
| Indian Hill | Summit | 246 | Bureau | 41 20 56 N | 089 48 50 W |
| Indian Hill | Summit | 187 | Calhoun | 38 56 32 N | 090 39 28 W |
| Indian Hill | Summit | 197 | Henry | 41 28 06 N | 090 04 08 W |
| Indian Hill | Summit | 144 | Jackson | 37 47 36 N | 089 11 25 W |
| Indian Hill Cemetery | Cemetery | 143 | Jackson | 37 47 32 N | 089 11 24 W |
| Indian Hill Elementary School | School | 240 | Lake | 42 23 02 N | 088 06 07 W |
| Indian Hill Golf Club | Locale | 196 | Cook | 42 05 32 N | 087 43 42 W |
| Indian Hill Park | Park | 191 | Cook | 42 05 40 N | 087 43 23 W |
| Indian Hills Country Club | Locale | 167 | Jefferson | 38 20 02 N | 088 55 42 W |
| Indian Hills School | School | 188 | Cook | 41 39 30 N | 087 46 05 W |
| Indian Island | Island | 157 | La Salle | 41 27 21 N | 088 44 05 W |
| Indian Island | Island | 168 | Rock Island | 41 28 11 N | 090 35 45 W |
| Indian Island | Island | 181 | Whiteside | 41 40 56 N | 089 58 23 W |
| Indian Kitchen Point of Interest | Locale | 161 | Pope | 37 30 39 N | 088 31 35 W |
| Indian Knoll Elementary School | School | 226 | DuPage | 41 53 02 N | 088 10 27 W |
| Indian Lakes Country Club | Locale | 244 | DuPage | 41 56 50 N | 088 05 58 W |
| Indian Lakes Park | Park | 238 | DuPage | 41 56 37 N | 088 05 26 W |
| Indian Mound | Summit | 161 | Crawford | 38 58 49 N | 087 36 55 W |
| Indian Mound | Summit | 157 | Jasper | 38 54 08 N | 088 03 23 W |
| Indian Mounds Historic Site | Park | 218 | Whiteside | 41 47 49 N | 089 39 53 W |
| Indian Mounds Park | Park | 169 | Adams | 39 54 39 N | 091 24 34 W |
| Indian Oaks | Populated Place | 211 | Kankakee | 41 11 30 N | 087 51 05 W |
| Indian Oaks Country Club | Locale | 269 | DeKalb | 41 45 24 N | 088 51 54 W |
| Indian Plains Elementary School | School | 221 | DuPage | 41 47 06 N | 088 14 32 W |
| Indian Point | Cape | 226 | Lake | 42 24 58 N | 088 09 02 W |
| Indian Point | Cliff | 132 | Johnson | 37 20 12 N | 088 54 11 W |
| Indian Point | Summit | 137 | Clay | 38 49 45 N | 088 18 33 W |
| Indian Point Cemetery | Cemetery | 187 | Menard | 40 00 08 N | 089 42 52 W |
| Indian Point Quarry | Mine | 179 | Menard | 40 00 27 N | 089 42 25 W |
| Indian Point School (historical) | School | 211 | Knox | 40 46 21 N | 090 23 50 W |
| Indian Point School (historical) | School | 177 | Menard | 40 00 08 N | 089 43 20 W |
| Indian Prairie Church | Church | 136 | Wayne | 38 35 09 N | 088 27 26 W |
| Indian Prairie Park | Park | 263 | McHenry | 42 11 28 N | 088 20 36 W |
| Indian Ridge County Park | Park | 228 | McHenry | 42 17 53 N | 088 14 55 W |
| Indian Ridge Marsh | Swamp | | Cook | 41 40 47 N | 087 33 41 W |
| Indian Ridge Park | Park | 209 | Cook | 42 07 35 N | 087 51 42 W |
| Indian Ridge Park | Park | 202 | Cook | 42 06 07 N | 087 51 58 W |
| Indian Ridge Park | Park | 223 | McHenry | 42 18 04 N | 088 15 20 W |
| Indian Ridge School | School | 209 | Cook | 42 07 37 N | 087 51 42 W |
| Indian Road Park | Park | 189 | Cook | 41 59 37 N | 087 46 43 W |
| Indian Road Woods | Woods | 185 | Cook | 41 59 10 N | 087 45 37 W |
| Indian Run | Stream | | Cass | 40 03 27 N | 090 14 20 W |
| Indian School (historical) | School | 222 | Coles | 39 24 54 N | 088 15 27 W |
| Indian Spring | Populated Place | 152 | Putnam | 41 10 52 N | 089 21 37 W |
| Indian Springs Country Club | Locale | 243 | McLean | 40 26 07 N | 088 33 32 W |
| Indian Trail Beach | Beach | 251 | McHenry | 42 10 58 N | 088 19 18 W |
| Indian Trail Court Shopping Center | Locale | 207 | Kane | 41 46 59 N | 088 18 29 W |
| Indian Trail Elementary School | School | 227 | DuPage | 41 46 26 N | 088 01 45 W |
| Indian Trail Elementary School | School | 209 | Lake | 42 11 24 N | 087 48 01 W |
| Indian Trail Elementary School | School | 218 | Will | 41 30 34 N | 087 48 13 W |
| Indian Trail Junior High School | School | 211 | DuPage | 41 56 00 N | 087 59 43 W |
| Indian Trail Park | Park | 198 | Cook | 41 33 15 N | 087 39 19 W |
| Indian Trail Park | Park | 195 | Cook | 42 04 56 N | 087 52 36 W |
| Indian Trail Park | Park | 216 | Will | 41 30 38 N | 087 48 12 W |
| Indian Trail Shopping Center | Locale | 208 | Kane | 41 46 54 N | 088 18 26 W |
| Indian Trails Junior High School | School | 187 | Will | 41 36 52 N | 088 11 41 W |
| Indian Trails Public Library | Building | 203 | Cook | 42 07 58 N | 087 56 43 W |
| Indian Valley Country Club | Locale | 219 | Lake | 42 13 47 N | 087 59 51 W |
| Indian Valley Vocational Center | School | 201 | DeKalb | 41 38 15 N | 088 36 46 W |
| Indian Village (subdivision) | Populated Place | 221 | Winnebago | 42 13 47 N | 089 06 23 W |
| Indian Wall Picnic Area | Locale | 183 | Gallatin | 37 36 20 N | 088 16 49 W |
| Indiana Avenue Pentecostal Church of God | Church | 181 | Cook | 41 49 49 N | 087 37 20 W |
| Indiana Elementary School | School | 215 | Cook | 41 30 04 N | 087 41 31 W |
| Indiana Mines | Mine | 133 | Hardin | 37 27 29 N | 088 22 22 W |
| Indiana Park | Park | 216 | Cook | 41 30 08 N | 087 41 19 W |
| Indianola | Populated Place | 205 | Vermilion | 39 55 38 N | 087 44 24 W |
| Industrial Skill Center | School | 182 | Cook | 41 50 11 N | 087 42 22 W |
| Industry | Populated Place | 201 | McDonough | 40 19 40 N | 090 36 25 W |
| Industry Assembly of God Church | Church | 201 | McDonough | 40 19 35 N | 090 36 23 W |
| Industry City Cemetery | Cemetery | 196 | McDonough | 40 19 51 N | 090 36 21 W |
| Industry Elementary School | School | 203 | McDonough | 40 19 28 N | 090 36 07 W |
| Industry High School | School | 203 | McDonough | 40 19 26 N | 090 36 07 W |