Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Furbay Cemetery | Cemetery | 344 | Harrison | 40 12 56 N | 080 55 21 W |
| Furgerson Junior High School | School | 270 | Greene | 39 43 24 N | 084 02 03 W |
| Furmandale | Populated Place | 192 | Butler | 39 20 37 N | 084 32 16 W |
| Furnace | Locale | 217 | Jackson | 39 03 23 N | 082 27 26 W |
| Furnace Hollow | Valley | | Columbiana | 40 46 52 N | 080 47 32 W |
| Furnace Hollow | Valley | | Lawrence | 38 44 12 N | 082 39 15 W |
| Furnace Ridge | Ridge | 315 | Vinton | 39 20 37 N | 082 20 42 W |
| Furnace Run | Stream | | Summit | 41 12 10 N | 081 34 11 W |
| Furnace Run Aqueduct | Bridge | 219 | Summit | 41 12 07 N | 081 34 21 W |
| Furnace Run Metro Park | Park | 317 | Summit | 41 15 28 N | 081 37 52 W |
| Furnace Street Mission Ministries | Church | 279 | Summit | 41 05 17 N | 081 30 39 W |
| Furnas Cemetery | Cemetery | 296 | Montgomery | 39 54 55 N | 084 15 46 W |
| Furnas Ditch | Canal | 222 | Warren | 39 32 48 N | 084 01 53 W |
| Furrow Cemetery | Cemetery | 289 | Shelby | 40 21 23 N | 084 22 26 W |
| Furry Elementary School | School | 186 | Erie | 41 24 39 N | 082 41 19 W |
| Fursville | Populated Place | 319 | Licking | 40 00 11 N | 082 42 59 W |
| G Street Park | Park | 186 | Lorain | 41 28 36 N | 082 08 13 W |
| Gabe Run | Stream | | Scioto | 38 41 12 N | 083 12 38 W |
| Gabels Corner | Populated Place | 207 | Sandusky | 41 19 38 N | 083 11 49 W |
| Gable Ditch | Canal | 184 | Lorain | 41 30 16 N | 082 00 19 W |
| Gable School (historical) | School | 300 | Marion | 40 34 00 N | 082 58 35 W |
| Gables Elementary School | School | 268 | Franklin | 40 04 06 N | 083 03 48 W |
| Gabriel Corners | Locale | 284 | Delaware | 40 16 56 N | 083 13 09 W |
| Gaddis Cemetery | Cemetery | 318 | Clinton | 39 28 12 N | 083 47 48 W |
| Gaffield Cemetery | Cemetery | 330 | Licking | 40 03 39 N | 082 35 37 W |
| Gaffield Meeting House (historical) | Church | 328 | Licking | 40 03 42 N | 082 35 37 W |
| Gage | Populated Place | 202 | Gallia | 38 47 46 N | 082 23 52 W |
| Gage Post Office (historical) | Post Office | 204 | Gallia | 38 47 45 N | 082 23 50 W |
| Gageville | Populated Place | 256 | Ashtabula | 41 50 44 N | 080 39 56 W |
| Gageville Cemetery | Cemetery | 256 | Ashtabula | 41 50 43 N | 080 40 06 W |
| Gahagans Prairie | Area | 250 | Miami | 40 02 10 N | 084 11 10 W |
| Gahanna | Populated Place | 242 | Franklin | 40 01 09 N | 082 52 46 W |
| Gahanna Municipal Golf Course | Locale | 242 | Franklin | 40 01 43 N | 082 52 46 W |
| Gahanna Municipal Heliport | Airport | 247 | Franklin | 40 00 50 N | 082 51 54 W |
| Gahanna Post Office (historical) | Post Office | 242 | Franklin | 40 01 10 N | 082 52 45 W |
| Gahanna Woods Park | Park | 270 | Franklin | 40 00 45 N | 082 50 15 W |
| Gaier Ditch | Canal | 299 | Shelby | 40 20 07 N | 084 19 25 W |
| Gailey Park | Park | 344 | Wayne | 40 50 08 N | 081 45 17 W |
| Gainer Airport | Airport | 294 | Champaign | 40 01 52 N | 083 47 60 W |
| Gaines United Methodist Church | Church | 177 | Hamilton | 39 09 38 N | 084 23 45 W |
| Gainey Heliport | Airport | 298 | Stark | 40 49 07 N | 081 31 25 W |
| Galatea | Populated Place | 222 | Wood | 41 10 40 N | 083 38 41 W |
| Galaxy Acres | Populated Place | 250 | Hamilton | 39 14 27 N | 084 34 52 W |
| Galbreath Chapel | Church | 218 | Athens | 39 19 35 N | 082 05 59 W |
| Galbreath Ditch | Canal | 283 | Madison | 39 44 45 N | 083 20 16 W |
| Galbreath Equine Trauma Intensive Care and Research Center | Building | 229 | Franklin | 40 00 03 N | 083 01 43 W |
| Galbreath Metro Office Park | Locale | 300 | Montgomery | 39 36 30 N | 084 13 50 W |
| Gale Run | Stream | | Lucas | 41 32 33 N | 083 50 39 W |
| Galeed Church of God in Christ | Church | 236 | Hamilton | 39 07 58 N | 084 30 17 W |
| Galena | Populated Place | 281 | Delaware | 40 12 54 N | 082 52 48 W |
| Galena Cemetery | Cemetery | 280 | Delaware | 40 12 55 N | 082 52 47 W |
| Galena Post Office | Post Office | 280 | Delaware | 40 12 55 N | 082 52 50 W |
| Galetown | Populated Place | 223 | Sandusky | 41 15 59 N | 082 59 48 W |
| Galicki Pond | Reservoir | 321 | Ashtabula | 41 33 42 N | 080 39 47 W |
| Galicki Pond Dam | Dam | 321 | Ashtabula | 41 33 42 N | 080 39 47 W |
| Galilee Baptist Church | Church | 256 | Franklin | 40 00 38 N | 082 57 45 W |
| Galilee Baptist Church | Church | 162 | Hamilton | 39 08 12 N | 084 32 55 W |
| Galilee Baptist Church | Church | 330 | Mahoning | 41 05 43 N | 080 43 18 W |
| Galilee Missionary Baptist Church | Church | 189 | Lucas | 41 38 50 N | 083 34 22 W |
| Galion | Populated Place | 357 | Crawford | 40 44 01 N | 082 47 24 W |
| Galion Christian School | School | 350 | Crawford | 40 44 24 N | 082 47 20 W |
| Galion City Hall | Building | 356 | Crawford | 40 44 00 N | 082 47 09 W |
| Galion Community Hospital | Hospital | 348 | Crawford | 40 43 53 N | 082 48 06 W |
| Galion Country Club | Locale | 355 | Morrow | 40 42 13 N | 082 48 29 W |
| Galion High School | School | 352 | Crawford | 40 44 09 N | 082 47 30 W |
| Galion Middle School | School | 355 | Crawford | 40 43 56 N | 082 47 32 W |
| Galion Municipal Airport | Airport | 374 | Richland | 40 45 12 N | 082 43 26 W |
| Galion Post Office | Post Office | 354 | Crawford | 40 44 06 N | 082 47 15 W |
| Galion Public Library | Building | 355 | Crawford | 40 44 05 N | 082 47 22 W |
| Galion Water Works | Locale | 347 | Crawford | 40 44 08 N | 082 47 51 W |
| Gall (historical) | Populated Place | 243 | Highland | 39 05 31 N | 083 27 40 W |
| Gall Post Office (historical) | Post Office | 241 | Highland | 39 05 30 N | 083 27 40 W |
| Gallahan Pond | Reservoir | 231 | Jackson | 39 08 24 N | 082 37 42 W |
| Gallahan Pond Dam | Dam | 231 | Jackson | 39 08 24 N | 082 37 42 W |
| Gallenstein Heliport | Airport | 255 | Hamilton | 39 11 20 N | 084 19 48 W |
| Galley Cemetery | Cemetery | 304 | Shelby | 40 18 32 N | 084 20 53 W |
| Galley Hill | Summit | 265 | Clermont | 39 09 01 N | 084 11 55 W |
| Galley Hill School (historical) | School | 251 | Clermont | 39 08 32 N | 084 12 17 W |
| Gallia | Populated Place | 198 | Gallia | 38 49 51 N | 082 31 04 W |
| Gallia Academy High School | School | 175 | Gallia | 38 48 34 N | 082 12 28 W |
| Gallia Cemetery | Cemetery | 266 | Gallia | 38 48 26 N | 082 30 28 W |
| Gallia Cemetery | Cemetery | 231 | Gallia | 38 49 55 N | 082 31 10 W |
| Gallia Church | Church | 260 | Gallia | 38 48 25 N | 082 30 29 W |
| Gallia County | Civil | 198 | Gallia | 38 49 00 N | 082 20 00 W |
| Gallia County Childrens Home | Building | 191 | Gallia | 38 51 16 N | 082 14 14 W |
| Gallia County Courthouse | Building | 172 | Gallia | 38 48 32 N | 082 12 09 W |
| Gallia County Fairgrounds | Park | 200 | Gallia | 38 51 37 N | 082 14 20 W |
| Gallia County Infirmary | Building | 177 | Gallia | 38 49 57 N | 082 12 39 W |
| Gallia County Junior Fairgrounds | Park | 170 | Gallia | 38 50 35 N | 082 14 20 W |
| Gallia Post Office (historical) | Post Office | 197 | Gallia | 38 49 50 N | 082 31 05 W |
| Gallia School | School | 214 | Gallia | 38 49 32 N | 082 30 40 W |
| Gallia School | School | 215 | Gallia | 38 49 34 N | 082 30 40 W |
| Gallia-Meigs Regional Airport | Airport | 170 | Gallia | 38 50 02 N | 082 09 48 W |
| Gallion Run Trail | Trail | 274 | Preble | 39 35 08 N | 084 46 31 W |
| Gallipolis | Populated Place | 172 | Gallia | 38 48 35 N | 082 12 09 W |
| Gallipolis City Hall | Building | 172 | Gallia | 38 48 35 N | 082 12 10 W |
| Gallipolis City Park | Park | 174 | Gallia | 38 48 25 N | 082 12 21 W |
| Gallipolis Post Office | Post Office | 175 | Gallia | 38 48 31 N | 082 12 16 W |
| Gallipolis Public Square and Garden Lots Historic District | Park | 173 | Gallia | 38 48 24 N | 082 12 21 W |
| Gallipolis State Institute | School | 183 | Gallia | 38 49 24 N | 082 11 23 W |
| Gallman Farms | Locale | 247 | Auglaize | 40 39 54 N | 084 27 11 W |
| Galloway | Populated Place | 273 | Franklin | 39 54 47 N | 083 09 45 W |
| Galloway Cemetery | Cemetery | 274 | Franklin | 39 54 33 N | 083 09 41 W |
| Galloway Knob | Summit | 414 | Belmont | 40 00 42 N | 080 58 15 W |
| Galloway Post Office | Post Office | 274 | Franklin | 39 54 50 N | 083 09 45 W |
| Galloway United Presbyterian Church | Church | 273 | Franklin | 39 54 47 N | 083 09 46 W |
| Gallucci Residence Hall | Building | 315 | Summit | 41 04 22 N | 081 31 02 W |
| Gallup | Populated Place | 224 | Henry | 41 11 18 N | 084 01 45 W |
| Gallup Post Office (historical) | Post Office | 222 | Henry | 41 11 20 N | 084 01 45 W |
| Galpin Hall | Building | 331 | Wayne | 40 48 41 N | 081 56 14 W |