Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Wonder Lake | Populated Place | 255 | McHenry | 42 23 07 N | 088 20 50 W |
| Wonder Lake | Reservoir | 244 | McHenry | 42 24 30 N | 088 20 28 W |
| Wonder Lake Dam | Dam | 244 | McHenry | 42 24 30 N | 088 20 28 W |
| WONU-FM (Kankakee) | Tower | 203 | Kankakee | 41 09 24 N | 087 52 16 W |
| WONX-AM (Evanston) | Tower | 184 | Cook | 42 01 20 N | 087 42 43 W |
| Wood Cemetery | Cemetery | 168 | Madison | 38 42 12 N | 089 53 07 W |
| Wood Cemetery | Cemetery | 168 | Morgan | 39 45 33 N | 090 18 20 W |
| Wood Cemetery | Cemetery | 150 | Wayne | 38 21 20 N | 088 40 15 W |
| Wood Dale | Populated Place | 211 | DuPage | 41 57 48 N | 087 58 44 W |
| Wood Dale Community Church | Church | 214 | DuPage | 41 57 38 N | 087 58 45 W |
| Wood Dale Grove | Woods | 213 | DuPage | 41 57 04 N | 087 58 20 W |
| Wood Dale Grove County Forest Preserve | Park | 215 | DuPage | 41 56 40 N | 087 58 31 W |
| Wood Dale Junior High School | School | 215 | DuPage | 41 58 33 N | 087 58 41 W |
| Wood Dale Public Library | Building | 217 | DuPage | 41 58 14 N | 087 58 47 W |
| Wood Duck Slough | Lake | 132 | Cass | 40 06 13 N | 090 20 54 W |
| Wood Engineering Laboratory | Building | 228 | Champaign | 40 06 07 N | 088 13 33 W |
| Wood Family Cemetery | Cemetery | 246 | Bureau | 41 17 36 N | 089 43 56 W |
| Wood Family Cemetery | Cemetery | 152 | Madison | 38 51 32 N | 089 47 58 W |
| Wood Lake | Reservoir | 193 | Moultrie | 39 31 36 N | 088 36 42 W |
| Wood Lake Dam | Dam | 193 | Moultrie | 39 31 36 N | 088 36 42 W |
| Wood Lawn Cemetery | Cemetery | 180 | Effingham | 39 06 22 N | 088 30 43 W |
| Wood Oaks Green Park | Park | 198 | Cook | 42 07 50 N | 087 53 00 W |
| Wood Oaks Junior High School | School | 200 | Cook | 42 07 44 N | 087 52 49 W |
| Wood Ridge County Forest Preserve | Park | 213 | Cook | 41 41 22 N | 088 01 06 W |
| Wood River | Populated Place | 133 | Madison | 38 51 40 N | 090 05 51 W |
| Wood River | Stream | | Madison | 38 51 36 N | 090 07 44 W |
| Wood River City Hall | Building | 133 | Madison | 38 51 44 N | 090 05 52 W |
| Wood River Plaza Shopping Center | Locale | 135 | Madison | 38 52 04 N | 090 04 15 W |
| Wood River Post Office | Post Office | 134 | Madison | 38 51 40 N | 090 05 38 W |
| Wood River Public Library | Building | 133 | Madison | 38 51 38 N | 090 05 25 W |
| Wood River School (historical) | School | 134 | Madison | 38 51 44 N | 090 05 21 W |
| Wood River Township Hospital | Hospital | 134 | Madison | 38 52 23 N | 090 05 45 W |
| Wood River Township Hospital Heliport | Airport | 134 | Madison | 38 52 23 N | 090 05 42 W |
| Wood River Township Park | Park | 139 | Madison | 38 54 54 N | 090 05 22 W |
| Wood School (historical) | School | 234 | Carroll | 41 56 45 N | 089 47 51 W |
| Wood School (historical) | School | 184 | Henry | 41 27 18 N | 090 17 36 W |
| Wood School (historical) | School | 157 | Marion | 38 39 44 N | 089 07 26 W |
| Wood Slough | Gut | 132 | Cass | 40 03 00 N | 090 25 17 W |
| Wood Spur | Locale | 166 | Grundy | 41 25 04 N | 088 17 52 W |
| Wood View Elementary School | School | 223 | Will | 41 43 06 N | 088 03 43 W |
| Woodbine | Populated Place | 257 | Jo Daviess | 42 20 32 N | 090 08 43 W |
| Woodbine Cemetery | Cemetery | 255 | Jo Daviess | 42 19 59 N | 090 08 55 W |
| Woodbine Country Club | Locale | 183 | Greene | 39 23 52 N | 090 13 32 W |
| Woodbine Country Club Lake | Reservoir | 183 | Greene | 39 23 48 N | 090 13 30 W |
| Woodbine Country Club Lake Dam | Dam | 183 | Greene | 39 23 48 N | 090 13 30 W |
| Woodbine Elementary School | School | 185 | Cook | 41 50 17 N | 087 44 59 W |
| Woodbine Golf Course | Locale | 232 | Will | 41 37 03 N | 087 57 48 W |
| Woodbine Post Office (historical) | Post Office | 258 | Jo Daviess | 42 20 31 N | 090 08 42 W |
| Woodbine School | School | 184 | Cook | 41 50 15 N | 087 45 05 W |
| Woodbrough Park | Park | 191 | Cook | 41 33 17 N | 087 38 30 W |
| Woodburn | Populated Place | 195 | Macoupin | 39 02 51 N | 090 00 43 W |
| Woodburn Cemetery | Cemetery | 192 | Macoupin | 39 02 35 N | 090 00 54 W |
| Woodburn Church | Church | 191 | Macoupin | 39 00 51 N | 090 00 38 W |
| Woodburn School (historical) | School | 259 | Ogle | 42 10 44 N | 089 14 08 W |
| Woodbury | Populated Place | 180 | Cumberland | 39 11 45 N | 088 18 11 W |
| Woodbury Lake | Reservoir | 175 | Cumberland | 39 11 40 N | 088 18 24 W |
| Woodbury School (historical) | School | 150 | Greene | 39 13 32 N | 090 20 44 W |
| Woodbury School (historical) | School | 184 | Grundy | 41 18 19 N | 088 32 06 W |
| Woodcrest | Populated Place | 199 | Henry | 41 29 22 N | 090 15 13 W |
| Woodcrest | Populated Place | 172 | St. Clair | 38 35 16 N | 090 03 07 W |
| Woodcrest (subdivision) | Populated Place | 239 | Winnebago | 42 10 55 N | 089 08 33 W |
| Wooded Island | Island | 178 | Cook | 41 47 04 N | 087 34 57 W |
| Woodfield Commons East Shopping Center | Locale | 226 | Cook | 42 02 57 N | 088 02 53 W |
| Woodfield Commons West Shopping Center | Locale | 223 | Cook | 42 02 57 N | 088 03 12 W |
| Woodfield Green Shopping Center | Locale | 226 | Cook | 42 03 05 N | 088 02 34 W |
| Woodfield Mall Shopping Center | Locale | 226 | Cook | 42 02 48 N | 088 02 14 W |
| Woodford | Populated Place | 220 | Woodford | 40 50 48 N | 089 01 41 W |
| Woodford County | Civil | 235 | Woodford | 40 46 00 N | 089 14 00 W |
| Woodford County Courthouse | Building | 235 | Woodford | 40 43 18 N | 089 16 19 W |
| Woodford County Home | Building | 232 | Woodford | 40 46 15 N | 089 20 23 W |
| Woodford County State Conservation Area | Park | 134 | Woodford | 40 51 28 N | 089 30 30 W |
| Woodford County State Conservation Area | Park | 134 | Woodford | 40 53 09 N | 089 28 07 W |
| Woodgate Elementary School | School | 214 | Cook | 41 31 28 N | 087 44 58 W |
| Woodgate Park | Park | 213 | Cook | 41 31 27 N | 087 45 12 W |
| Woodgrove Festival Shopping Center | Locale | 238 | DuPage | 41 44 57 N | 088 00 54 W |
| Woodhaven Lake | Reservoir | 267 | Lee | 41 39 27 N | 089 18 20 W |
| Woodhaven Lake Dam | Dam | 267 | Lee | 41 39 27 N | 089 18 20 W |
| Woodhull | Populated Place | 247 | Henry | 41 10 44 N | 090 18 57 W |
| Woodhull Cemetery | Cemetery | 247 | Henry | 41 11 00 N | 090 19 12 W |
| Woodhull Park | Park | 181 | Cook | 41 45 42 N | 087 35 03 W |
| Woodhull Post Office | Post Office | 248 | Henry | 41 10 41 N | 090 18 55 W |
| Woodhull Town Hall | Building | 248 | Henry | 41 10 43 N | 090 18 55 W |
| Woodlake Landing Airport | Airport | 201 | DeKalb | 41 38 18 N | 088 38 40 W |
| Woodland | Populated Place | 193 | Iroquois | 40 42 52 N | 087 43 52 W |
| Woodland | Populated Place | 190 | Kankakee | 41 09 44 N | 087 32 57 W |
| Woodland Academy of the Sacred Heart | School | 208 | Lake | 42 14 07 N | 087 49 46 W |
| Woodland Acres | Populated Place | 238 | Ogle | 41 55 16 N | 089 08 00 W |
| Woodland Addition | Populated Place | 176 | La Salle | 41 17 57 N | 088 50 00 W |
| Woodland Baptist Church | Church | 238 | Peoria | 40 46 22 N | 089 37 53 W |
| Woodland Brethren Cemetery | Cemetery | 259 | Carroll | 42 07 40 N | 089 59 16 W |
| Woodland Cemetery | Cemetery | 177 | Adams | 39 55 08 N | 091 24 32 W |
| Woodland Cemetery | Cemetery | 196 | Edgar | 39 48 32 N | 087 39 57 W |
| Woodland Cemetery | Cemetery | 198 | Fulton | 40 14 16 N | 090 19 01 W |
| Woodland Cemetery | Cemetery | 235 | McHenry | 42 21 02 N | 088 16 08 W |
| Woodland Cemetery | Cemetery | 246 | Pike | 39 46 26 N | 090 53 05 W |
| Woodland Chapel Presbyterian Church | Church | 199 | Macon | 39 49 13 N | 088 54 52 W |
| Woodland Church | Church | 264 | Carroll | 42 07 38 N | 089 59 15 W |
| Woodland Church | Church | 246 | Pike | 39 46 26 N | 090 53 05 W |
| Woodland Church | Church | 126 | Wayne | 38 26 36 N | 088 19 50 W |
| Woodland Church of the Brethren | Church | 198 | Fulton | 40 14 20 N | 090 19 03 W |
| Woodland City Cemetery | Cemetery | 202 | Hancock | 40 13 00 N | 090 57 04 W |
| Woodland City Park | Park | 156 | Madison | 38 41 22 N | 089 58 03 W |
| Woodland Creek | Stream | | Ogle | 42 05 53 N | 089 18 40 W |
| Woodland Elementary School | School | 192 | Iroquois | 40 43 00 N | 087 43 45 W |
| Woodland Elementary School | School | 277 | Kane | 42 08 20 N | 088 15 01 W |
| Woodland Elementary School | School | 172 | Will | 41 31 09 N | 088 03 46 W |
| Woodland Estates (subdivision) | Populated Place | 235 | Lake | 42 12 52 N | 088 02 16 W |
| Woodland Golf Course | Locale | 219 | De Witt | 40 15 05 N | 088 37 45 W |
| Woodland Grange | Building | 132 | St. Clair | 38 26 21 N | 089 47 42 W |
| Woodland Heights Elementary School | School | 242 | Cook | 42 00 54 N | 088 10 19 W |