Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Asbury School (historical) | School | 311 | Muskingum | 39 55 49 N | 082 10 44 W |
| Asbury School (historical) | School | 309 | Union | 40 19 12 N | 083 22 36 W |
| Asbury Seminary (historical) | School | 300 | Cuyahoga | 41 25 51 N | 081 23 17 W |
| Asbury Tabernacle | Church | 255 | Hamilton | 39 07 38 N | 084 30 39 W |
| Asbury Third Methodist Episcopal Church | Church | 171 | Hamilton | 39 06 54 N | 084 30 52 W |
| Asbury United Methodist Church | Church | 275 | Delaware | 40 18 19 N | 083 04 11 W |
| Asbury United Methodist Church | Church | 224 | Lorain | 41 21 05 N | 082 06 28 W |
| Asbury United Methodist Church | Church | 189 | Lucas | 41 39 09 N | 083 39 15 W |
| Asbury United Methodist Church | Church | 350 | Stark | 40 41 56 N | 081 22 15 W |
| Asbury Untied Methodist Church | Church | 335 | Clark | 39 59 25 N | 083 56 11 W |
| Ascension Catholic Church | Church | 234 | Cuyahoga | 41 26 02 N | 081 47 27 W |
| Ascension Hall | Building | 324 | Knox | 40 22 22 N | 082 23 48 W |
| Ascension Lutheran Church | Church | 274 | Franklin | 40 03 36 N | 082 58 50 W |
| Ascension Lutheran Church | Church | 243 | Hamilton | 39 14 55 N | 084 21 38 W |
| Ascension Lutheran Church | Church | 187 | Lucas | 41 39 12 N | 083 33 17 W |
| Ascension School | School | 233 | Cuyahoga | 41 26 05 N | 081 47 30 W |
| Ascension School | School | 276 | Montgomery | 39 43 11 N | 084 07 31 W |
| Ascot Park | Park | 305 | Summit | 41 09 47 N | 081 30 44 W |
| Ash | Populated Place | 374 | Licking | 40 03 19 N | 082 40 09 W |
| Ash Cave Lookout Tower | Tower | 331 | Hocking | 39 24 20 N | 082 31 52 W |
| Ash Cave Picnic Area | Locale | 227 | Hocking | 39 23 43 N | 082 32 46 W |
| Ash Cave Recreation Area | Park | 227 | Hocking | 39 23 44 N | 082 32 43 W |
| Ash Grove Cemetery | Cemetery | 245 | Allen | 40 47 39 N | 084 09 32 W |
| Ash Grove Church | Church | 247 | Allen | 40 47 21 N | 084 09 21 W |
| Ash Grove Picnic Area | Locale | 270 | Franklin | 39 56 35 N | 082 48 48 W |
| Ash Grove School (historical) | School | 296 | Highland | 39 17 37 N | 083 29 03 W |
| Ash Post Office (historical) | Post Office | 374 | Licking | 40 03 20 N | 082 40 10 W |
| Ash Ridge | Populated Place | 311 | Brown | 38 54 28 N | 083 45 32 W |
| Ash Ridge Cemetery | Cemetery | 324 | Brown | 38 54 59 N | 083 45 13 W |
| Ash Ridge Church | Church | 321 | Brown | 38 55 01 N | 083 45 11 W |
| Ash Ridge Elementary School | School | 311 | Brown | 38 54 25 N | 083 45 41 W |
| Ash Run | Stream | | Hardin | 40 35 27 N | 083 26 43 W |
| Ash Run | Stream | | Henry | 41 17 31 N | 084 02 07 W |
| Ash Street Freewill Baptist Church | Church | 173 | Meigs | 38 59 43 N | 082 03 26 W |
| Ashbury Church | Church | 257 | Athens | 39 15 19 N | 081 57 13 W |
| Ashbury Elementary School | School | 229 | Franklin | 39 54 05 N | 082 51 55 W |
| Ashbury Towers | Populated Place | | Cuyahoga | 41 28 24 N | 081 43 18 W |
| Ashcraft Ford | Crossing | 234 | Muskingum | 40 09 21 N | 082 08 49 W |
| Ashcraft Ridge | Ridge | 329 | Coshocton | 40 12 16 N | 082 09 03 W |
| Ashcraft School (historical) | School | 331 | Coshocton | 40 11 38 N | 082 10 02 W |
| Ashdale | Populated Place | 266 | Clermont | 39 10 20 N | 084 09 07 W |
| Asher Hill | Summit | 390 | Ross | 39 19 56 N | 083 14 55 W |
| Asher Lake | Lake | 281 | Montgomery | 39 43 33 N | 084 27 42 W |
| Asher Run | Stream | | Adams | 38 41 13 N | 083 26 35 W |
| Ashland | Populated Place | 325 | Ashland | 40 52 07 N | 082 19 06 W |
| Ashland Avenue Baptist Church | Church | 198 | Hamilton | 39 09 21 N | 084 27 28 W |
| Ashland Avenue Baptist Church | Church | 187 | Lucas | 41 39 38 N | 083 32 59 W |
| Ashland Cemetery | Cemetery | 346 | Ashland | 40 51 58 N | 082 19 43 W |
| Ashland Christian School | School | 357 | Ashland | 40 52 06 N | 082 20 09 W |
| Ashland City Hall | Building | 328 | Ashland | 40 52 03 N | 082 19 07 W |
| Ashland College | School | 351 | Ashland | 40 51 42 N | 082 19 17 W |
| Ashland Country Club | Locale | 329 | Ashland | 40 51 11 N | 082 18 13 W |
| Ashland County | Civil | 351 | Ashland | 40 49 00 N | 082 16 00 W |
| Ashland County Airport | Airport | 365 | Ashland | 40 54 10 N | 082 15 20 W |
| Ashland County Childrens Home | Building | 341 | Ashland | 40 51 23 N | 082 18 40 W |
| Ashland County Courthouse | Building | 330 | Ashland | 40 52 10 N | 082 19 03 W |
| Ashland County Fairgrounds | Locale | 384 | Ashland | 40 51 04 N | 082 20 49 W |
| Ashland County Home | Building | 360 | Ashland | 40 48 14 N | 082 16 07 W |
| Ashland County Jail | Building | 328 | Ashland | 40 52 08 N | 082 19 04 W |
| Ashland County Joint Vocational School | School | 360 | Ashland | 40 48 03 N | 082 15 60 W |
| Ashland High School | School | 358 | Ashland | 40 51 14 N | 082 19 30 W |
| Ashland Junior High School | School | 330 | Ashland | 40 52 15 N | 082 19 04 W |
| Ashland Memorial Park | Cemetery | 322 | Ashland | 40 54 25 N | 082 20 24 W |
| Ashland Post Office | Post Office | 326 | Ashland | 40 52 08 N | 082 19 07 W |
| Ashland Public Library | Building | 337 | Ashland | 40 51 59 N | 082 19 12 W |
| Ashland Reservoir | Reservoir | 314 | Ashland | 40 53 29 N | 082 16 37 W |
| Ashland School (historical) | School | 291 | Miami | 40 00 29 N | 084 22 16 W |
| Ashland Shopping Plaza Shopping Center | Locale | 373 | Ashland | 40 51 17 N | 082 20 02 W |
| Ashland Theological Seminary | School | 340 | Ashland | 40 51 23 N | 082 18 42 W |
| Ashley | Populated Place | 300 | Delaware | 40 24 32 N | 082 57 20 W |
| Ashley Corner | Populated Place | 214 | Scioto | 38 46 10 N | 082 47 11 W |
| Ashley Field | Park | 186 | Lucas | 41 37 52 N | 083 32 37 W |
| Ashley Hall | Building | 206 | Wood | 41 22 38 N | 083 37 54 W |
| Ashley Post Office | Post Office | 300 | Delaware | 40 24 30 N | 082 57 20 W |
| Ashley Union Cemetery | Cemetery | 297 | Delaware | 40 24 40 N | 082 56 37 W |
| Ashley United Methodist Church | Church | 299 | Delaware | 40 24 33 N | 082 57 10 W |
| Ashmont (historical) | Populated Place | 189 | Erie | 41 22 34 N | 082 26 24 W |
| Ashmont Post Office (historical) | Post Office | 189 | Erie | 41 22 35 N | 082 26 25 W |
| Ashridge Post Office (historical) | Post Office | 312 | Brown | 38 54 30 N | 083 45 30 W |
| Ashtabula | Populated Place | 205 | Ashtabula | 41 51 54 N | 080 47 23 W |
| Ashtabula Buffalo Dock | Locale | 176 | Ashtabula | 41 54 26 N | 080 47 45 W |
| Ashtabula Country Club | Locale | 180 | Ashtabula | 41 53 03 N | 080 50 40 W |
| Ashtabula County | Civil | 305 | Ashtabula | 41 42 00 N | 080 45 59 W |
| Ashtabula County Airport | Airport | 279 | Ashtabula | 41 46 40 N | 080 41 43 W |
| Ashtabula County Childrens Home | Building | 209 | Ashtabula | 41 52 26 N | 080 46 06 W |
| Ashtabula County Courthouse | Building | 292 | Ashtabula | 41 44 19 N | 080 46 11 W |
| Ashtabula County Fairgrounds | Locale | 283 | Ashtabula | 41 44 28 N | 080 46 39 W |
| Ashtabula County Home | Building | 228 | Ashtabula | 41 53 16 N | 080 41 42 W |
| Ashtabula County Jail | Building | 292 | Ashtabula | 41 44 21 N | 080 46 12 W |
| Ashtabula County Medical Center | Hospital | 193 | Ashtabula | 41 52 52 N | 080 47 41 W |
| Ashtabula County Outdoor Club Lake | Reservoir | 230 | Ashtabula | 41 52 36 N | 080 42 35 W |
| Ashtabula County Outdoor Club Lake Dam | Dam | 230 | Ashtabula | 41 52 36 N | 080 42 35 W |
| Ashtabula Creek | Stream | | Ashtabula | 41 50 49 N | 080 36 49 W |
| Ashtabula Free Public Library | Building | 211 | Ashtabula | 41 52 04 N | 080 47 03 W |
| Ashtabula Harbor High School (historical) | School | 190 | Ashtabula | 41 53 57 N | 080 48 18 W |
| Ashtabula Harbour Commercial Historic District | Park | 179 | Ashtabula | 41 53 58 N | 080 47 59 W |
| Ashtabula Light | Locale | 174 | Ashtabula | 41 55 06 N | 080 45 44 W |
| Ashtabula Municipal Building | Building | 212 | Ashtabula | 41 52 01 N | 080 46 53 W |
| Ashtabula Plaza Shopping Center | Locale | 192 | Ashtabula | 41 52 54 N | 080 47 58 W |
| Ashtabula Post Office | Post Office | 207 | Ashtabula | 41 51 55 N | 080 47 24 W |
| Ashtabula River | Stream | | Ashtabula | 41 54 36 N | 080 47 55 W |
| Ashtabula Yacht Club | Locale | 176 | Ashtabula | 41 53 57 N | 080 47 44 W |
| Ashtabula-Conneaut Airport | Airport | 218 | Ashtabula | 41 54 28 N | 080 40 37 W |
| Ashton | Populated Place | 243 | Noble | 39 42 51 N | 081 27 52 W |
| Ashton Pond | Reservoir | 269 | Franklin | 39 56 31 N | 082 48 39 W |
| Ashton Post Office (historical) | Post Office | 238 | Noble | 39 42 50 N | 081 27 54 W |
| Ashville | Populated Place | 216 | Pickaway | 39 42 56 N | 082 57 11 W |
| Ashville Cemetery | Cemetery | 219 | Pickaway | 39 42 54 N | 082 56 37 W |
| Ashville Church of Christ in Christian Union | Church | 218 | Pickaway | 39 43 16 N | 082 57 10 W |
| Ashville Elementary School | School | 219 | Pickaway | 39 42 57 N | 082 56 57 W |