Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Farwell Cemetery | Cemetery | 191 | Schuyler | 40 13 06 N | 090 51 25 W |
| Farwell Field | Park | 207 | Lake | 42 14 40 N | 087 49 50 W |
| Farwell Hall (historical) | Building | 181 | Cook | 41 52 55 N | 087 37 54 W |
| Fashion Square Shopping Center | Locale | 191 | Cook | 42 03 10 N | 087 44 54 W |
| Fashion Square Shopping Center | Locale | 207 | Lake | 42 14 19 N | 087 56 46 W |
| Father Sweeney School | School | 156 | Peoria | 40 41 50 N | 089 35 12 W |
| Faulk Cemetery | Cemetery | 175 | Effingham | 38 54 56 N | 088 44 04 W |
| Faulkner School | School | 179 | Cook | 41 45 58 N | 087 33 53 W |
| Faunce Cemetery | Cemetery | 181 | Cumberland | 39 10 42 N | 088 23 48 W |
| Favor School (historical) | School | 235 | Winnebago | 42 24 16 N | 089 08 57 W |
| Fawell Dam | Dam | 211 | DuPage | 41 47 12 N | 088 10 36 W |
| Fawn Creek School | School | 200 | Montgomery | 39 16 34 N | 089 25 15 W |
| Faxon School | School | 198 | Kendall | 41 40 30 N | 088 29 21 W |
| Fay School (historical) | School | 227 | DeKalb | 41 44 40 N | 088 40 47 W |
| Fay School (historical) | School | 258 | McHenry | 42 13 29 N | 088 37 40 W |
| Fay School of Real Estate | School | 189 | Cook | 41 59 45 N | 087 47 13 W |
| Fayette | Populated Place | 171 | Greene | 39 19 12 N | 090 09 13 W |
| Fayette County | Civil | 161 | Fayette | 39 01 00 N | 089 02 00 W |
| Fayette County Courthouse | Building | 166 | Fayette | 38 57 36 N | 089 05 59 W |
| Fayette County Hospital | Hospital | 159 | Fayette | 38 58 10 N | 089 05 54 W |
| Fayette County Jail | Building | 153 | Fayette | 38 57 33 N | 089 05 37 W |
| Fayette County Museum | Building | 157 | Fayette | 38 57 43 N | 089 05 36 W |
| Fayette Drain | Stream | | Vermilion | 39 56 30 N | 087 41 23 W |
| Fayette School (historical) | School | 204 | Vermilion | 39 59 54 N | 087 42 53 W |
| Fayetteville | Populated Place | 126 | St. Clair | 38 22 39 N | 089 47 43 W |
| Fayetteville Community Park | Park | 126 | St. Clair | 38 22 43 N | 089 47 58 W |
| Fayville | Populated Place | 107 | Alexander | 37 09 53 N | 089 25 36 W |
| FBM Company Landing Strip | Airport | 242 | Will | 41 26 32 N | 087 41 37 W |
| Feather Creek | Stream | | Vermilion | 40 07 02 N | 087 50 02 W |
| Federal Center | Building | 181 | Cook | 41 52 44 N | 087 37 47 W |
| Federal Correctional Institution Pekin | Building | 155 | Tazewell | 40 32 10 N | 089 39 34 W |
| Federal Quarry | Mine | 167 | Cook | 41 48 08 N | 087 51 19 W |
| Federal Reserve Bank of Chicago | Building | 180 | Cook | 41 52 42 N | 087 37 58 W |
| Federated Church | Church | 259 | DeKalb | 41 59 22 N | 088 41 40 W |
| Federated Church | Church | 243 | Ford | 40 27 38 N | 088 06 00 W |
| Federated Church | Church | 192 | Fulton | 40 39 35 N | 090 26 04 W |
| Federated Church of Harvey | Church | 184 | Cook | 41 36 28 N | 087 38 51 W |
| Federated Church of Wauconda | Church | 245 | Lake | 42 15 28 N | 088 08 23 W |
| Fedor Memorial Park | Park | 187 | Cook | 41 45 35 N | 087 48 57 W |
| Feeder Basin | Basin | 189 | Bureau | 41 24 36 N | 089 47 02 W |
| Feehanville Ditch | Canal | 196 | Cook | 42 04 34 N | 087 54 36 W |
| Feehanville School (historical) | School | 199 | Cook | 42 04 53 N | 087 54 47 W |
| Feeney Center | Building | 240 | McLean | 40 30 23 N | 088 59 38 W |
| Fehland School (historical) | School | 239 | Will | 41 25 38 N | 087 46 00 W |
| Fehmel Family Cemetery | Cemetery | 159 | Madison | 38 39 38 N | 089 52 47 W |
| Fehrer Lake | Lake | 103 | Gallatin | 37 45 09 N | 088 04 44 W |
| Feinburg Park | Park | 282 | McHenry | 42 13 59 N | 088 17 42 W |
| Feist Landing Strip | Airport | 198 | Logan | 40 18 11 N | 089 19 01 W |
| Feitshans Center | School | 182 | Sangamon | 39 47 23 N | 089 38 09 W |
| Felician Sisters School | School | 181 | Cook | 41 49 31 N | 087 40 01 W |
| Felkel School (historical) | School | 175 | Fulton | 40 22 18 N | 090 10 30 W |
| Felky Slough | Stream | | Livingston | 40 49 48 N | 088 28 06 W |
| Fell Avenue Park | Park | 240 | McLean | 40 29 27 N | 088 59 10 W |
| Fell Hall | Building | 241 | McLean | 40 30 30 N | 088 59 32 W |
| Fell Park | Park | 195 | Livingston | 40 52 47 N | 088 38 07 W |
| Fell School (historical) | School | 239 | Winnebago | 42 21 50 N | 089 11 41 W |
| Fellger Park | Park | 181 | Cook | 41 56 23 N | 087 40 44 W |
| Fellows Cemetery | Cemetery | 185 | Hardin | 37 33 01 N | 088 13 31 W |
| Fellowship Baptist Church | Church | 174 | Bond | 38 53 27 N | 089 24 28 W |
| Fellowship Baptist Church | Church | 216 | Cook | 41 29 29 N | 087 38 31 W |
| Fellowship Baptist Church | Church | 197 | Shelby | 39 24 43 N | 088 47 54 W |
| Fellowship Bible Church | Church | 208 | Macon | 39 50 11 N | 088 56 45 W |
| Fellowship Bible Church | Church | 203 | Peoria | 40 44 10 N | 089 37 52 W |
| Fellowship Bible Church | Church | 195 | Will | 41 31 09 N | 088 07 19 W |
| Fellowship Christian Academy | School | 178 | Cook | 41 43 20 N | 087 34 36 W |
| Fellowship Church | Church | 240 | Union | 37 34 03 N | 089 04 47 W |
| Fellowship Church of Carol Stream | Church | 230 | DuPage | 41 54 35 N | 088 07 18 W |
| Fellowship Church of God and Christ | Church | 165 | Will | 41 32 00 N | 088 04 07 W |
| Fellowship Missionary Baptist Church | Church | 181 | Cook | 41 48 41 N | 087 37 59 W |
| Fellowship Reformed Church | Church | 222 | DuPage | 41 51 20 N | 087 59 36 W |
| Fellowship United Methodist Church of West Pullman | Church | 189 | Cook | 41 40 33 N | 087 38 03 W |
| Felmley Hall | Building | 242 | McLean | 40 30 37 N | 088 59 25 W |
| Felpro Park | Park | 181 | Cook | 42 00 57 N | 087 42 39 W |
| Felts Cemetery | Cemetery | 278 | Stephenson | 42 28 09 N | 089 25 51 W |
| Felts School (historical) | School | 276 | Stephenson | 42 28 13 N | 089 25 52 W |
| Felty Family Cemetery | Cemetery | 130 | White | 38 05 48 N | 088 14 55 W |
| Fender Cemetery | Cemetery | 157 | Clay | 38 53 18 N | 088 36 10 W |
| Fender County Forest Preserve | Park | 197 | DuPage | 41 43 51 N | 088 07 43 W |
| Fender School (historical) | School | 156 | Clay | 38 48 42 N | 088 36 03 W |
| Fenger High School | School | 188 | Cook | 41 41 23 N | 087 38 18 W |
| Fenn House | Building | 180 | Cook | 41 47 31 N | 087 35 49 W |
| Fenton | Populated Place | 190 | Whiteside | 41 43 50 N | 090 01 48 W |
| Fenton Cemetery | Cemetery | 211 | Whiteside | 41 43 40 N | 090 03 18 W |
| Fenton Elemetary School | School | 194 | Whiteside | 41 43 39 N | 090 01 43 W |
| Fenton High School | School | 208 | DuPage | 41 57 25 N | 087 57 18 W |
| Fenton Park | Park | 217 | Mercer | 41 11 18 N | 090 44 50 W |
| Fenton School (historical) | School | 251 | Winnebago | 42 29 29 N | 089 19 42 W |
| Fenton United Methodist Church | Church | 196 | Whiteside | 41 43 44 N | 090 01 44 W |
| Fenwick High School | School | 189 | Cook | 41 52 52 N | 087 47 20 W |
| Ferber | Populated Place | 154 | Franklin | 37 54 25 N | 088 44 32 W |
| Ferges Cemetery | Cemetery | 130 | Williamson | 37 47 28 N | 088 58 19 W |
| Fergestown | Populated Place | 137 | Williamson | 37 47 33 N | 088 57 53 W |
| Ferguson Cemetery | Cemetery | 213 | Knox | 40 51 55 N | 090 15 01 W |
| Ferguson Creek | Stream | | Hamilton | 38 11 10 N | 088 28 59 W |
| Ferguson Creek Drain | Canal | 116 | Hamilton | 38 10 35 N | 088 29 36 W |
| Ferguson Ford | Crossing | 165 | Brown | 39 51 40 N | 090 54 12 W |
| Ferguson Hall | Building | 244 | McLean | 40 29 28 N | 088 59 36 W |
| Ferguson School (historical) | School | 193 | Brown | 39 52 31 N | 090 54 03 W |
| Ferguson School (historical) | School | 199 | Henry | 41 22 49 N | 089 52 32 W |
| Fermi Elementary School | School | 180 | Cook | 41 46 03 N | 087 35 24 W |
| FERMI National Accelerator Laboratory | Reserve | 225 | DuPage | 41 50 44 N | 088 13 50 W |
| Fern Cemetery | Cemetery | 175 | Johnson | 37 29 50 N | 088 48 06 W |
| Fern Dell School (historical) | School | 200 | Kendall | 41 30 36 N | 088 35 05 W |
| Fern Rocks Nature Preserve | Park | 187 | Jackson | 37 37 07 N | 089 11 44 W |
| Ferndale | Populated Place | 224 | McHenry | 42 18 07 N | 088 14 29 W |
| Ferndale School (historical) | School | 169 | Schuyler | 40 15 48 N | 090 30 24 W |
| Ferndale Woods (subdivision) | Populated Place | 261 | Lake | 42 09 25 N | 088 05 07 W |
| Ferne Clyffe Dam | Dam | 178 | Johnson | 37 32 00 N | 088 58 36 W |
| Ferne Clyffe Lake | Reservoir | 178 | Johnson | 37 32 00 N | 088 58 36 W |
| Ferne Clyffe State Park | Park | 186 | Johnson | 37 31 46 N | 088 58 58 W |