Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Windfall School (historical) | School | 295 | Marion | 40 31 22 N | 083 23 09 W |
| Windham | Populated Place | 296 | Portage | 41 14 06 N | 081 02 57 W |
| Windham Cemetery | Cemetery | 292 | Portage | 41 15 03 N | 081 02 52 W |
| Windham Elementary School | School | 296 | Portage | 41 14 01 N | 081 02 47 W |
| Windham High School | School | 295 | Portage | 41 13 59 N | 081 02 48 W |
| Windham Station (historical) | Locale | 293 | Portage | 41 13 51 N | 081 02 56 W |
| Winding Creek Farms Pond | Reservoir | 233 | Warren | 39 22 12 N | 084 10 48 W |
| Winding Creek Farms Pond Dam | Dam | 233 | Warren | 39 22 12 N | 084 10 48 W |
| Winding Fork | Stream | | Coshocton | 40 12 43 N | 082 10 43 W |
| Winding Fork Evangelical Cemetery | Cemetery | 281 | Coshocton | 40 15 32 N | 082 09 33 W |
| Winding Fork School (historical) | School | 276 | Coshocton | 40 15 43 N | 082 09 55 W |
| Winding Hollow Country Club | Locale | 256 | Franklin | 40 02 54 N | 082 56 30 W |
| Winding Hollow Country Club | Locale | 335 | Franklin | 40 04 34 N | 082 46 15 W |
| Winding Trail Lake | Reservoir | 313 | Medina | 41 07 30 N | 081 48 17 W |
| Winding Trail Lake Dam | Dam | 313 | Medina | 41 07 30 N | 081 48 17 W |
| Windmill Lakes Golf Course | Locale | 343 | Portage | 41 10 24 N | 081 13 10 W |
| Windsor | Populated Place | 253 | Ashtabula | 41 32 06 N | 080 56 03 W |
| Windsor | Populated Place | 314 | Richland | 40 48 30 N | 082 26 08 W |
| Windsor | Populated Place | 280 | Warren | 39 17 05 N | 084 02 60 W |
| Windsor Alternative Elementary School | School | 257 | Franklin | 39 59 43 N | 082 58 28 W |
| Windsor Chapel | Church | 196 | Lawrence | 38 30 51 N | 082 23 26 W |
| Windsor Corners | Populated Place | 291 | Delaware | 40 24 50 N | 083 00 42 W |
| Windsor Corners Cemetery | Cemetery | 262 | Ashtabula | 41 32 22 N | 080 56 06 W |
| Windsor Corners Historic District | Park | 253 | Ashtabula | 41 32 07 N | 080 56 03 W |
| Windsor Elementary School | School | 284 | Ashtabula | 41 32 05 N | 080 56 41 W |
| Windsor Elementary School | School | 245 | Hamilton | 39 07 21 N | 084 29 27 W |
| Windsor Elementary School | School | 213 | Lorain | 41 23 51 N | 082 04 55 W |
| Windsor Elementary School | School | 214 | Morgan | 39 32 53 N | 081 47 46 W |
| Windsor Hospital | Hospital | 311 | Cuyahoga | 41 26 07 N | 081 23 24 W |
| Windsor Mill Cemetery | Cemetery | 304 | Ashtabula | 41 32 08 N | 080 57 46 W |
| Windsor Mills | Populated Place | 309 | Ashtabula | 41 32 06 N | 080 57 44 W |
| Windsor Mills Cemetery | Cemetery | 308 | Ashtabula | 41 32 08 N | 080 57 45 W |
| Windsor Mills Post Office (historical) | Post Office | 308 | Ashtabula | 41 32 05 N | 080 57 44 W |
| Windsor Park | Park | 259 | Franklin | 39 59 50 N | 082 58 20 W |
| Windsor Park Cemetery | Cemetery | 353 | Richland | 40 48 07 N | 082 26 39 W |
| Windsor Post Office | Post Office | 253 | Ashtabula | 41 32 05 N | 080 56 04 W |
| Windsor Township Cemetery | Cemetery | 262 | Ashtabula | 41 32 22 N | 080 56 05 W |
| Windsor United Methodist Church | Church | 255 | Ashtabula | 41 32 07 N | 080 56 08 W |
| Windswept Airport | Airport | 215 | Wood | 41 11 55 N | 083 42 03 W |
| Windy Acres (subdivision) | Populated Place | 334 | Clark | 39 59 08 N | 083 55 37 W |
| Windy Corner | Populated Place | 355 | Clark | 40 01 35 N | 083 55 35 W |
| Windy Hill Cemetery | Cemetery | 298 | Morgan | 39 43 57 N | 081 40 55 W |
| Windy Hill School (historical) | School | 296 | Morgan | 39 43 51 N | 081 40 52 W |
| Windy Point | Cape | 265 | Mercer | 40 30 59 N | 084 32 10 W |
| Windy Point Marina | Locale | 265 | Mercer | 40 30 15 N | 084 32 29 W |
| Windy Ridge | Ridge | 248 | Gallia | 39 00 09 N | 082 16 03 W |
| Windy Ridge Picnic Area | Locale | 269 | Cuyahoga | 41 25 55 N | 081 36 36 W |
| Wineland (historical) | Populated Place | 242 | Hancock | 41 06 33 N | 083 35 35 W |
| Winesburg | Populated Place | 397 | Holmes | 40 36 59 N | 081 41 42 W |
| Winesburg Elementary School | School | 397 | Holmes | 40 36 56 N | 081 41 49 W |
| Winesburg Post Office | Post Office | 392 | Holmes | 40 37 00 N | 081 41 44 W |
| Winfield | Populated Place | 282 | Tuscarawas | 40 32 55 N | 081 33 30 W |
| Wing Cemetery | Cemetery | 219 | Putnam | 41 06 59 N | 084 13 40 W |
| Wing Center | Building | 329 | Knox | 40 22 27 N | 082 23 58 W |
| Wing School (historical) | School | 168 | Hamilton | 39 06 08 N | 084 30 47 W |
| WING-AM (Dayton) | Tower | 315 | Montgomery | 39 40 56 N | 084 09 33 W |
| Wingett Run | Populated Place | 200 | Washington | 39 32 12 N | 081 14 35 W |
| Wingett Run | Stream | | Washington | 39 32 15 N | 081 14 23 W |
| Wingfoot Lake | Reservoir | 348 | Portage | 41 01 06 N | 081 22 23 W |
| Wingfoot Lake Dam | Dam | 348 | Portage | 41 01 06 N | 081 22 23 W |
| Wingfoot Lake Outlet | Stream | | Summit | 41 03 18 N | 081 23 58 W |
| Wingfoot Lake Test Operations Balloonport | Airport | 354 | Portage | 41 00 34 N | 081 21 28 W |
| Wingo Picnic Area | Locale | 311 | Greene | 39 47 25 N | 083 51 23 W |
| Wings of Deliverance Temple | Church | 161 | Hamilton | 39 11 13 N | 084 29 14 W |
| Wings of Faith Church | Church | 195 | Lorain | 41 26 00 N | 082 07 04 W |
| Wingsong Country Club | Locale | 280 | Franklin | 40 08 00 N | 083 00 48 W |
| Wingston | Populated Place | 211 | Wood | 41 16 11 N | 083 43 40 W |
| Wingston Cemetery | Cemetery | 213 | Wood | 41 16 29 N | 083 43 32 W |
| Winkes Marina | Locale | 174 | Ottawa | 41 33 15 N | 082 49 50 W |
| Winkle | Populated Place | 318 | Highland | 39 06 54 N | 083 43 18 W |
| Winkle Post Office (historical) | Post Office | 318 | Highland | 39 06 55 N | 083 43 20 W |
| Winklepleck Grove | Populated Place | 299 | Tuscarawas | 40 31 24 N | 081 36 48 W |
| Winkler Airport | Airport | 249 | Mercer | 40 42 08 N | 084 45 52 W |
| Winkler Hollow | Valley | | Lawrence | 38 34 08 N | 082 45 48 W |
| Winkler School (historical) | School | 246 | Mercer | 40 42 45 N | 084 44 33 W |
| Winklers Mill | Populated Place | 272 | Monroe | 39 41 01 N | 080 55 59 W |
| Winn Cemetery | Cemetery | 335 | Champaign | 40 01 35 N | 083 42 42 W |
| Winnemac (historical) | Populated Place | 283 | Marion | 40 34 27 N | 083 23 24 W |
| Winnewauken Island | Island | 304 | Logan | 40 29 09 N | 083 52 38 W |
| Winnies Boat Basin | Harbor | 175 | Ottawa | 41 32 29 N | 082 43 08 W |
| Winona | Populated Place | 364 | Columbiana | 40 49 41 N | 080 53 46 W |
| Winona (historical) | Populated Place | 227 | Hocking | 39 35 32 N | 082 20 20 W |
| Winona Evangelical Friends Church | Church | 369 | Columbiana | 40 49 50 N | 080 53 45 W |
| Winona Post Office | Post Office | 365 | Columbiana | 40 49 40 N | 080 53 44 W |
| Winona Post Office (historical) | Post Office | 225 | Hocking | 39 35 30 N | 082 20 20 W |
| Winous Point | Cliff | 174 | Ottawa | 41 27 33 N | 082 59 35 W |
| Winous Point Marsh | Swamp | 174 | Ottawa | 41 27 45 N | 082 59 46 W |
| Winous Point Shooting Club | Locale | 174 | Ottawa | 41 27 38 N | 082 59 48 W |
| Winslow Cemetery | Cemetery | 199 | Lucas | 41 32 04 N | 083 48 03 W |
| Winslow Park Church | Church | 229 | Hamilton | 39 15 55 N | 084 23 47 W |
| Winterdale | Populated Place | 347 | Jefferson | 40 22 12 N | 080 42 31 W |
| Winterfield Park | Park | 190 | Lucas | 41 38 11 N | 083 38 56 W |
| Wintergarden Heights (subdivision) | Populated Place | 213 | Wood | 41 21 33 N | 083 40 24 W |
| Wintergarden Park | Park | 212 | Wood | 41 21 55 N | 083 40 20 W |
| Wintergreen Ledges | Bench | 329 | Summit | 41 03 32 N | 081 35 20 W |
| Wintergreen Ledges Church | Church | 329 | Summit | 41 03 38 N | 081 35 15 W |
| Wintergreen Park | Park | 387 | Medina | 41 01 08 N | 081 42 39 W |
| Wintergreen Run | Stream | | Pike | 39 07 09 N | 083 01 47 W |
| Winters Airport | Airport | 221 | Jackson | 39 06 15 N | 082 32 44 W |
| Winters Cemetery | Cemetery | 263 | Miami | 39 58 33 N | 084 06 25 W |
| Winters Church | Church | 241 | Jackson | 39 09 34 N | 082 34 01 W |
| Winters Ditch | Canal | 204 | Sandusky | 41 17 18 N | 083 12 09 W |
| Winters Station | Populated Place | 212 | Sandusky | 41 16 37 N | 083 14 08 W |
| Winterset | Populated Place | 251 | Guernsey | 40 06 14 N | 081 24 59 W |
| Winterset Cemetery | Cemetery | 291 | Guernsey | 40 06 28 N | 081 24 55 W |
| Winterset Lake | Reservoir | 274 | Guernsey | 40 05 30 N | 081 23 53 W |
| Winterset Lake Dam | Dam | 274 | Guernsey | 40 05 30 N | 081 23 53 W |
| Winterset Post Office (historical) | Post Office | 252 | Guernsey | 40 06 15 N | 081 24 59 W |
| Winterstein Cemetery | Cemetery | 351 | Adams | 38 45 40 N | 083 16 58 W |
| Winterstein Run | Stream | | Adams | 38 47 11 N | 083 19 14 W |