Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Backbone Creek | Stream | | Clermont | 39 05 12 N | 084 10 44 W |
| Backus Knob | Summit | 360 | Tuscarawas | 40 16 36 N | 081 30 01 W |
| Bacon | Populated Place | 250 | Coshocton | 40 13 15 N | 081 46 31 W |
| Bacon Flat | Populated Place | 238 | Adams | 38 57 42 N | 083 21 46 W |
| Bacon Flat School (historical) | School | 238 | Adams | 38 57 42 N | 083 21 46 W |
| Bacon High School | School | 181 | Hamilton | 39 09 47 N | 084 30 08 W |
| Bacon Hill | Summit | 371 | Portage | 41 00 12 N | 081 17 28 W |
| Bacon Hollow | Valley | | Meigs | 39 03 52 N | 081 48 48 W |
| Bacon Post Office (historical) | Post Office | 249 | Coshocton | 40 13 15 N | 081 46 29 W |
| Bacon Run | Stream | | Coshocton | 40 12 37 N | 081 42 51 W |
| Bacon Run School (historical) | School | 265 | Coshocton | 40 13 13 N | 081 47 31 W |
| Bacon School | School | 341 | Portage | 41 05 34 N | 081 26 08 W |
| Bad Creek | Stream | | Henry | 41 25 20 N | 083 56 47 W |
| Baddow Pass (historical) | Populated Place | 338 | Holmes | 40 29 40 N | 082 08 53 W |
| Baddow Pass Post Office (historical) | Post Office | 342 | Holmes | 40 29 40 N | 082 08 55 W |
| Badger Cemetery | Cemetery | 244 | Wyandot | 40 59 07 N | 083 11 17 W |
| Badger High School | School | 288 | Trumbull | 41 26 51 N | 080 35 14 W |
| Badger Lake | Reservoir | 251 | Washington | 39 18 18 N | 081 48 41 W |
| Badger Lake Dam | Dam | 251 | Washington | 39 18 18 N | 081 48 41 W |
| Badger Run | Stream | | Ashtabula | 41 40 41 N | 080 52 17 W |
| Badgertown | Populated Place | 321 | Belmont | 40 01 47 N | 081 04 55 W |
| Badin Catholic High School | School | 223 | Butler | 39 23 43 N | 084 35 32 W |
| Baer Park | Park | 198 | Lucas | 41 30 17 N | 083 43 19 W |
| Bagdad Cemetery | Cemetery | 308 | Medina | 41 10 17 N | 081 49 06 W |
| Baggs School (historical) | School | 266 | Noble | 39 47 00 N | 081 29 17 W |
| Bagley Plaza Shopping Center | Locale | 238 | Cuyahoga | 41 22 22 N | 081 52 09 W |
| Bahl Helistop | Airport | 408 | Richland | 40 45 25 N | 082 33 01 W |
| Bailey | Populated Place | 203 | Lucas | 41 27 43 N | 083 47 16 W |
| Bailey Cemetery | Cemetery | 323 | Hardin | 40 33 17 N | 083 38 10 W |
| Bailey Cemetery | Cemetery | 310 | Morgan | 39 35 37 N | 081 49 15 W |
| Bailey Chapel | Church | 177 | Gallia | 38 42 49 N | 082 16 16 W |
| Bailey Chapel | Church | 202 | Pike | 38 59 36 N | 082 59 26 W |
| Bailey Chapel Cemetery | Cemetery | 204 | Pike | 38 59 40 N | 082 59 27 W |
| Bailey Church | Church | 310 | Morgan | 39 35 37 N | 081 49 15 W |
| Bailey Hall | Building | 318 | Clinton | 39 26 40 N | 083 49 02 W |
| Bailey House | Building | 327 | Knox | 40 22 31 N | 082 23 57 W |
| Bailey Lake | Lake | 319 | Ashland | 40 56 47 N | 082 21 39 W |
| Bailey Lake | Lake | 179 | Meigs | 38 59 51 N | 081 56 20 W |
| Bailey Lake | Populated Place | 321 | Ashland | 40 56 45 N | 082 21 35 W |
| Bailey Park | Park | 330 | Mahoning | 41 07 56 N | 080 34 48 W |
| Bailey Post Office (historical) | Post Office | 203 | Lucas | 41 27 45 N | 083 47 15 W |
| Bailey Ridge School (historical) | School | 337 | Morgan | 39 45 09 N | 081 59 13 W |
| Bailey Run | Stream | | Columbiana | 40 37 27 N | 080 41 40 W |
| Bailey Run | Stream | | Meigs | 39 01 32 N | 082 04 57 W |
| Bailey School (historical) | School | 333 | Morrow | 40 34 47 N | 082 50 34 W |
| Baileys Corners | Locale | 283 | Trumbull | 41 11 15 N | 080 53 11 W |
| Baileys Landing | Locale | 164 | Gallia | 38 49 19 N | 082 10 05 W |
| Baileys Mills | Populated Place | 288 | Belmont | 39 57 21 N | 081 13 43 W |
| Baileys Mills Post Office (historical) | Post Office | 288 | Belmont | 39 57 20 N | 081 13 44 W |
| Bain Cemetery | Cemetery | 323 | Morgan | 39 35 09 N | 081 51 40 W |
| Bainbridge | Populated Place | 355 | Geauga | 41 23 11 N | 081 20 22 W |
| Bainbridge | Populated Place | 220 | Ross | 39 13 39 N | 083 16 14 W |
| Bainbridge Cemetery | Cemetery | 226 | Ross | 39 13 28 N | 083 16 19 W |
| Bainbridge Church of Christ | Church | 225 | Ross | 39 13 28 N | 083 16 10 W |
| Bainbridge Community Church | Church | 356 | Geauga | 41 23 09 N | 081 20 20 W |
| Bainbridge Elementary School | School | 226 | Ross | 39 13 23 N | 083 16 07 W |
| Bainbridge Post Office | Post Office | 219 | Ross | 39 13 40 N | 083 16 15 W |
| Bainbridge Presbyterian Church | Church | 218 | Ross | 39 13 45 N | 083 16 07 W |
| Bainbridge School (historical) | School | 228 | Paulding | 41 05 32 N | 084 47 04 W |
| Bainbridge United Methodist Church | Church | 219 | Ross | 39 13 37 N | 083 16 05 W |
| Baird School (historical) | School | 287 | Brown | 38 52 22 N | 083 44 32 W |
| Baird School (historical) | School | 354 | Knox | 40 16 09 N | 082 19 18 W |
| Bairdstown | Populated Place | 224 | Wood | 41 10 22 N | 083 36 29 W |
| Baisden Airport | Airport | 221 | Jackson | 39 06 13 N | 082 36 39 W |
| Baker | Populated Place | 328 | Darke | 40 03 21 N | 084 42 05 W |
| Baker Building | Building | 210 | Cuyahoga | 41 30 19 N | 081 36 32 W |
| Baker Cemetery | Cemetery | 217 | Meigs | 39 07 32 N | 082 01 33 W |
| Baker Cemetery | Cemetery | 194 | Vinton | 39 13 41 N | 082 43 14 W |
| Baker Cemetery | Cemetery | 250 | Wyandot | 40 58 23 N | 083 19 57 W |
| Baker Center | Building | 213 | Athens | 39 19 39 N | 082 06 01 W |
| Baker Creek | Stream | | Cuyahoga | 41 21 14 N | 081 54 04 W |
| Baker Creek | Stream | | Warren | 39 23 40 N | 084 09 43 W |
| Baker Ditch | Canal | 310 | Darke | 39 57 47 N | 084 25 52 W |
| Baker Elementary School | School | 343 | Trumbull | 41 13 27 N | 080 40 13 W |
| Baker Fork | Stream | | Adams | 39 02 05 N | 083 26 05 W |
| Baker Fork | Stream | | Monroe | 39 47 35 N | 081 05 44 W |
| Baker Hall | Building | 227 | Franklin | 39 59 47 N | 083 00 38 W |
| Baker Hill | Summit | 241 | Franklin | 39 54 23 N | 082 58 10 W |
| Baker Junior High School | School | 256 | Greene | 39 49 39 N | 084 00 44 W |
| Baker Junior High School | School | 295 | Marion | 40 35 15 N | 083 07 58 W |
| Baker Lake | Lake | 328 | Champaign | 40 04 53 N | 083 33 28 W |
| Baker Landing Field | Airport | 313 | Darke | 40 00 35 N | 084 31 20 W |
| Baker Mills Post Office (historical) | Post Office | 328 | Darke | 40 03 20 N | 084 42 05 W |
| Baker Ridge | Ridge | 351 | Ross | 39 12 00 N | 083 16 53 W |
| Baker Run | Stream | | Washington | 39 27 49 N | 081 19 24 W |
| Baker School (historical) | School | 312 | Allen | 40 43 02 N | 083 56 14 W |
| Baker School (historical) | School | 270 | Marion | 40 40 31 N | 083 21 43 W |
| Baker School (historical) | School | 326 | Noble | 39 45 59 N | 081 37 02 W |
| Baker School (historical) | School | 345 | Stark | 40 47 55 N | 081 07 25 W |
| Baker School (historical) | School | 310 | Tuscarawas | 40 29 33 N | 081 36 03 W |
| Baker Swamp | Swamp | 216 | Jackson | 38 56 59 N | 082 36 47 W |
| Baker Systems Engineering Building | Building | 227 | Franklin | 40 00 05 N | 083 00 58 W |
| Baker-Barker-Patterson Cemetery | Cemetery | 307 | Knox | 40 25 34 N | 082 23 09 W |
| Bakers Crossing | Locale | 303 | Lorain | 41 05 03 N | 082 15 32 W |
| Bakers Fork Buffalo Creek | Stream | | Lawrence | 38 44 01 N | 082 31 12 W |
| Bakers Pond | Reservoir | 253 | Muskingum | 39 58 30 N | 081 49 05 W |
| Bakers Pond Dam | Dam | 253 | Muskingum | 39 58 30 N | 081 49 05 W |
| Bakersville | Populated Place | 259 | Coshocton | 40 21 20 N | 081 38 44 W |
| Bakersville Cemetery | Cemetery | 310 | Coshocton | 40 21 23 N | 081 39 07 W |
| Bakersville Community Park | Park | 260 | Coshocton | 40 21 15 N | 081 38 46 W |
| Bakersville Post Office | Post Office | 259 | Coshocton | 40 21 20 N | 081 38 44 W |
| Bakersville Presbyterian Cemetery | Cemetery | 312 | Coshocton | 40 20 29 N | 081 38 33 W |
| Bakertown Cemetery | Cemetery | 210 | Sandusky | 41 17 18 N | 083 00 54 W |
| Bakerys Acres Golf Course | Locale | 317 | Summit | 41 07 00 N | 081 27 29 W |
| Bakes School (historical) | School | 317 | Preble | 39 35 02 N | 084 36 40 W |
| Bald Eagle Field | Airport | 204 | Morgan | 39 33 23 N | 081 46 51 W |
| Bald Eagle Run | Stream | | Morgan | 39 33 07 N | 081 47 15 W |
| Bald Hill | Summit | 363 | Ross | 39 23 33 N | 082 56 03 W |
| Bald Hill School (historical) | School | 306 | Coshocton | 40 25 03 N | 082 10 03 W |
| Bald Knob | Populated Place | 273 | Lawrence | 38 34 21 N | 082 30 47 W |