Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Wilmore Ditch | Canal | 231 | Van Wert | 40 55 30 N | 084 37 29 W |
| Wilmot | Populated Place | 309 | Stark | 40 39 21 N | 081 37 55 W |
| Wilmot Methodist Church | Church | 312 | Stark | 40 39 21 N | 081 38 02 W |
| Wilmot Post office | Post Office | 311 | Stark | 40 39 20 N | 081 37 54 W |
| Wilmot United Brethren Church | Church | 307 | Stark | 40 39 24 N | 081 37 55 W |
| Wilna | Populated Place | 219 | Williams | 41 27 22 N | 084 27 13 W |
| Wilseyville (historical) | Populated Place | 230 | Defiance | 41 21 00 N | 084 40 16 W |
| Wilseyville Post Office (historical) | Post Office | 230 | Defiance | 41 21 00 N | 084 40 15 W |
| Wilson | Populated Place | 381 | Monroe | 39 51 24 N | 081 04 00 W |
| Wilson (historical) | Populated Place | 314 | Madison | 39 54 20 N | 083 25 43 W |
| Wilson Art Building | Building | 293 | Hardin | 40 45 58 N | 083 49 30 W |
| Wilson Auditorium | Building | 247 | Hamilton | 39 07 59 N | 084 31 12 W |
| Wilson Avenue Baptist Church (historical) | Church | 206 | Cuyahoga | 41 29 35 N | 081 39 05 W |
| Wilson Avenue Church | Church | 244 | Franklin | 39 57 48 N | 082 58 01 W |
| Wilson Avenue Church of the Nazarene | Church | 234 | Franklin | 39 55 54 N | 082 58 06 W |
| Wilson Avenue Public School (historical) | School | 280 | Trumbull | 41 09 11 N | 080 42 00 W |
| Wilson Bridge | Bridge | 184 | Pike | 39 07 05 N | 083 11 21 W |
| Wilson Cemetery | Cemetery | 304 | Brown | 38 59 08 N | 083 41 25 W |
| Wilson Cemetery | Cemetery | 321 | Clinton | 39 27 48 N | 083 44 27 W |
| Wilson Cemetery | Cemetery | 317 | Fayette | 39 23 53 N | 083 30 22 W |
| Wilson Cemetery | Cemetery | 383 | Jefferson | 40 10 57 N | 080 52 50 W |
| Wilson Cemetery | Cemetery | 271 | Licking | 40 07 09 N | 082 25 47 W |
| Wilson Cemetery | Cemetery | 418 | Monroe | 39 50 19 N | 081 11 13 W |
| Wilson Cemetery | Cemetery | 218 | Paulding | 41 03 07 N | 084 24 19 W |
| Wilson Cemetery | Cemetery | 292 | Ross | 39 23 04 N | 083 16 03 W |
| Wilson Cemetery | Cemetery | 241 | Washington | 39 28 37 N | 081 47 43 W |
| Wilson Chapel | Church | 293 | Athens | 39 22 17 N | 081 54 40 W |
| Wilson Chapel | Church | 363 | Clark | 39 53 53 N | 083 33 16 W |
| Wilson Chapel | Church | 341 | Coshocton | 40 18 08 N | 082 07 17 W |
| Wilson Chapel Cemetery | Cemetery | 363 | Clark | 39 53 53 N | 083 33 17 W |
| Wilson Chapel Cemetery | Cemetery | 343 | Coshocton | 40 18 07 N | 082 07 16 W |
| Wilson Church | Church | 175 | Hamilton | 39 10 05 N | 084 29 43 W |
| Wilson Common | Park | 218 | Hamilton | 39 06 02 N | 084 33 32 W |
| Wilson Creek | Stream | | Clinton | 39 23 50 N | 083 53 40 W |
| Wilson Creek | Stream | | Clinton | 39 31 06 N | 083 36 11 W |
| Wilson Creek | Stream | | Perry | 39 44 19 N | 082 41 56 W |
| Wilson Ditch | Canal | 285 | Madison | 40 02 11 N | 083 16 37 W |
| Wilson Elementary School | School | 249 | Butler | 39 30 33 N | 084 21 56 W |
| Wilson Elementary School | School | 298 | Fayette | 39 30 35 N | 083 26 31 W |
| Wilson Elementary School | School | 260 | Hamilton | 39 06 04 N | 084 20 31 W |
| Wilson Elementary School | School | 242 | Muskingum | 39 55 23 N | 082 00 51 W |
| Wilson Elementary School | School | 162 | Scioto | 38 44 05 N | 082 58 40 W |
| Wilson Field | Airport | 389 | Columbiana | 40 46 05 N | 081 03 29 W |
| Wilson Hall | Building | 195 | Athens | 39 19 31 N | 082 06 23 W |
| Wilson Hall | Building | 219 | Athens | 39 19 34 N | 082 05 60 W |
| Wilson Hall | Building | 268 | Butler | 39 30 36 N | 084 43 36 W |
| Wilson Hall | Building | 371 | Stark | 40 54 17 N | 081 06 30 W |
| Wilson High School | School | 332 | Mahoning | 41 04 20 N | 080 38 33 W |
| Wilson Hill Elementary School | School | 276 | Franklin | 40 05 51 N | 083 00 26 W |
| Wilson Hill Park | Park | 275 | Franklin | 40 05 42 N | 083 00 43 W |
| Wilson Hospital | Hospital | 311 | Shelby | 40 17 14 N | 084 10 07 W |
| Wilson Junior High School | School | 198 | Butler | 39 25 02 N | 084 34 23 W |
| Wilson Junior High School | School | 193 | Cuyahoga | 41 30 53 N | 081 39 04 W |
| Wilson Junior High School | School | 265 | Licking | 40 03 27 N | 082 25 56 W |
| Wilson Nicholson Ditch | Canal | 345 | Madison | 39 51 36 N | 083 32 29 W |
| Wilson Park | Park | 337 | Stark | 40 50 10 N | 081 16 26 W |
| Wilson Pool | Park | 189 | Butler | 39 25 04 N | 084 34 09 W |
| Wilson Ridge | Ridge | 271 | Lawrence | 38 38 30 N | 082 26 32 W |
| Wilson Road Golf Course | Locale | 259 | Franklin | 39 59 31 N | 083 06 20 W |
| Wilson Run | Stream | | Pike | 39 08 59 N | 082 54 24 W |
| Wilson Run | Stream | | Washington | 39 33 35 N | 081 10 14 W |
| Wilson School | School | 227 | Franklin | 39 56 13 N | 083 02 26 W |
| Wilson School | School | 276 | Franklin | 40 05 53 N | 083 00 27 W |
| Wilson School (historical) | School | 273 | Brown | 38 51 34 N | 084 01 39 W |
| Wilson School (historical) | School | 317 | Brown | 38 59 42 N | 083 41 16 W |
| Wilson School (historical) | School | 320 | Licking | 40 02 20 N | 082 21 58 W |
| Wilson School (historical) | School | 292 | Madison | 40 01 08 N | 083 18 19 W |
| Wilson School (historical) | School | 306 | Morgan | 39 44 42 N | 081 47 31 W |
| Wilson School (historical) | School | 313 | Noble | 39 47 28 N | 081 40 33 W |
| Wilson School (historical) | School | 305 | Ross | 39 22 52 N | 083 16 07 W |
| Wilson School (historical) | School | 252 | Van Wert | 40 42 51 N | 084 25 32 W |
| Wilson School (historical) | School | 266 | Williams | 41 29 52 N | 084 47 18 W |
| Wilson United Methodist Church | Church | 192 | Cuyahoga | 41 30 59 N | 081 39 04 W |
| Wilson Vance Elementary School | School | 241 | Hancock | 41 02 50 N | 083 36 49 W |
| Wilsons Mills Settlement Historic District | Park | 213 | Cuyahoga | 41 33 02 N | 081 24 56 W |
| Wilsons Private Airport | Airport | 240 | Lorain | 41 16 36 N | 082 06 19 W |
| Wilt Cemetery | Cemetery | 350 | Darke | 39 56 55 N | 084 41 57 W |
| Wilton Elementary School | School | 193 | Vinton | 39 09 44 N | 082 20 55 W |
| Wiltsee | Populated Place | 268 | Clermont | 39 00 09 N | 084 11 06 W |
| Wiltsie Cemetery | Cemetery | 225 | Paulding | 41 05 22 N | 084 42 34 W |
| Wiltsie School (historical) | School | 225 | Paulding | 41 05 32 N | 084 42 26 W |
| WIMA-AM (Lima) | Tower | 274 | Allen | 40 40 47 N | 084 06 34 W |
| WIMT-FM (Lima) | Tower | 263 | Allen | 40 38 03 N | 084 12 29 W |
| Winameg | Populated Place | 238 | Fulton | 41 37 37 N | 084 03 54 W |
| Winameg Christian Church | Church | 238 | Fulton | 41 37 32 N | 084 03 56 W |
| Winameg Post Office (historical) | Post Office | 238 | Fulton | 41 37 35 N | 084 03 55 W |
| Winandi Lake Dam | Dam | 291 | Brown | 39 13 54 N | 083 55 18 W |
| Winandi Reservoir | Reservoir | 292 | Brown | 39 13 54 N | 083 55 18 W |
| Winchester | Populated Place | 296 | Adams | 38 56 30 N | 083 39 03 W |
| Winchester | Populated Place | 229 | Jackson | 38 59 13 N | 082 32 21 W |
| Winchester Cemetery | Cemetery | 296 | Adams | 38 56 18 N | 083 38 52 W |
| Winchester Cemetery | Cemetery | 232 | Jackson | 38 59 23 N | 082 32 22 W |
| Winchester Elementary School | School | 297 | Adams | 38 56 30 N | 083 39 12 W |
| Winchester Lake | Reservoir | 292 | Adams | 38 56 48 N | 083 40 06 W |
| Winchester Lake Dam | Dam | 292 | Adams | 38 56 48 N | 083 40 06 W |
| Winchester Methodist Church | Church | 231 | Jackson | 38 59 22 N | 082 32 22 W |
| Winchester Park Addition (subdivision) | Populated Place | 232 | Franklin | 39 50 44 N | 082 48 46 W |
| Winchester Post Office | Post Office | 290 | Adams | 38 57 10 N | 083 38 14 W |
| Windemere Elementary School | School | 342 | Summit | 41 03 43 N | 081 26 49 W |
| Windemere Orchards | Populated Place | 186 | Wood | 41 35 37 N | 083 27 13 W |
| Windermere Elementary School | School | 262 | Franklin | 40 02 20 N | 083 04 59 W |
| Windermere United Methodist Church | Church | 209 | Cuyahoga | 41 31 39 N | 081 35 08 W |
| Windfall | Populated Place | 361 | Medina | 41 08 11 N | 081 47 08 W |
| Windfall Cemetery | Cemetery | 335 | Crawford | 40 46 11 N | 082 49 12 W |
| Windfall Cemetery | Cemetery | 293 | Crawford | 40 59 14 N | 082 57 37 W |
| Windfall Cemetery | Cemetery | 302 | Marion | 40 29 59 N | 082 59 43 W |
| Windfall Cemetery | Cemetery | 366 | Medina | 41 08 18 N | 081 47 07 W |
| Windfall Lutheran Church (historical) | Church | 296 | Crawford | 40 59 12 N | 082 57 32 W |
| Windfall Post Office (historical) | Post Office | 260 | Medina | 41 08 10 N | 082 49 10 W |
| Windfall School (historical) | School | 296 | Delaware | 40 20 18 N | 083 05 57 W |