Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Gemmer | Populated Place | 195 | Adams | 38 43 02 N | 083 26 48 W |
| General Assembly of the First Born Church | Church | 232 | Montgomery | 39 45 22 N | 084 13 10 W |
| General Church of the New Jerusalem | Church | 221 | Hamilton | 39 16 09 N | 084 28 10 W |
| General Custer Monument | Pillar | 387 | Harrison | 40 24 12 N | 081 02 00 W |
| General Electric Airport | Airport | 332 | Adams | 38 55 19 N | 083 19 40 W |
| General Hospital | Hospital | 292 | Summit | 41 04 43 N | 081 31 53 W |
| General Hospital | Hospital | 309 | Summit | 41 07 58 N | 081 30 39 W |
| General Johnnie E Wilson Military Academy | School | | Cuyahoga | 41 30 26 N | 081 38 53 W |
| General Phillip Sheridan Monument | Park | 334 | Perry | 39 48 25 N | 082 17 57 W |
| General Protestant Orphans Home (historical) | Building | 253 | Hamilton | 39 08 05 N | 084 30 07 W |
| General Sherman Junior High School | School | 250 | Fairfield | 39 43 06 N | 082 36 53 W |
| Genesis High School | School | | Cuyahoga | 41 27 51 N | 081 36 08 W |
| Geneva | Populated Place | 205 | Ashtabula | 41 48 18 N | 080 56 53 W |
| Geneva | Populated Place | 305 | Fairfield | 39 39 43 N | 082 26 01 W |
| Geneva Area High School | School | 218 | Ashtabula | 41 47 38 N | 080 56 25 W |
| Geneva Baptist Church | Church | 205 | Ashtabula | 41 48 00 N | 080 57 48 W |
| Geneva City Hall | Building | 204 | Ashtabula | 41 48 22 N | 080 56 47 W |
| Geneva Elementary School | School | 206 | Ashtabula | 41 48 10 N | 080 56 58 W |
| Geneva First United Methodist Church | Church | 205 | Ashtabula | 41 48 13 N | 080 56 51 W |
| Geneva Junior High School | School | 216 | Ashtabula | 41 47 42 N | 080 56 24 W |
| Geneva Low Head Dam | Dam | 226 | Ashtabula | 41 45 24 N | 080 56 41 W |
| Geneva Low Head Reservoir | Reservoir | 226 | Ashtabula | 41 45 24 N | 080 56 41 W |
| Geneva Post Office | Post Office | 206 | Ashtabula | 41 48 13 N | 080 56 52 W |
| Geneva Public Library | Building | 204 | Ashtabula | 41 48 18 N | 080 56 57 W |
| Geneva Reservoir | Reservoir | 259 | Ashtabula | 41 45 51 N | 080 56 50 W |
| Geneva-on-the-Lake | Populated Place | 183 | Ashtabula | 41 51 34 N | 080 57 14 W |
| Geneva-on-the-Lake City Hall | Building | 184 | Ashtabula | 41 51 35 N | 080 57 10 W |
| Geneva-On-The-Lake Golf Course | Locale | 184 | Ashtabula | 41 51 10 N | 080 56 43 W |
| Geneva-on-the-Lake Post Office (historical) | Post Office | 184 | Ashtabula | 41 51 38 N | 080 57 08 W |
| Geneva-On-The-Lake State Park | Park | 181 | Ashtabula | 41 51 15 N | 080 58 19 W |
| Genntown | Populated Place | 286 | Warren | 39 27 37 N | 084 10 15 W |
| Genoa | Populated Place | 191 | Ottawa | 41 31 05 N | 083 21 33 W |
| Genoa | Populated Place | 346 | Stark | 40 46 58 N | 081 27 59 W |
| Genoa Area High School | School | 185 | Ottawa | 41 33 31 N | 083 21 38 W |
| Genoa Area Junior High School | School | 191 | Ottawa | 41 30 53 N | 083 21 45 W |
| Genoa Branch Harris-Elmore Public Library | Building | 191 | Ottawa | 41 31 06 N | 083 21 38 W |
| Genoa Christian Church | Church | 191 | Ottawa | 41 30 59 N | 083 21 30 W |
| Genoa Elementary School | School | 339 | Stark | 40 47 25 N | 081 27 58 W |
| Genoa Park | Park | 219 | Franklin | 39 57 39 N | 083 00 25 W |
| Genoa Post Office | Post Office | 191 | Ottawa | 41 31 08 N | 083 21 30 W |
| Genung Corners | Populated Place | 211 | Lake | 41 47 23 N | 081 02 55 W |
| Geography Hall | Populated Place | 331 | Mahoning | 41 07 10 N | 080 34 14 W |
| Geohegan Cemetery | Cemetery | 260 | Fairfield | 39 50 46 N | 082 35 51 W |
| George A Gerke Elementary School | School | 230 | Warren | 39 33 26 N | 084 16 58 W |
| George Bible Park | Park | 259 | Williams | 41 33 23 N | 084 34 30 W |
| George C Wilson Ditch | Canal | 350 | Clark | 39 53 26 N | 083 34 26 W |
| George Cemetery | Cemetery | 328 | Guernsey | 40 12 02 N | 081 24 43 W |
| George Creek | Stream | | Franklin | 39 50 47 N | 082 50 56 W |
| George Creek | Stream | | Gallia | 38 51 33 N | 082 08 28 W |
| George Daniel Field | Park | 188 | Lorain | 41 26 47 N | 082 11 04 W |
| George Finnie Stadium | Park | 242 | Cuyahoga | 41 22 27 N | 081 50 50 W |
| George G Dodge Middle School | School | 298 | Summit | 41 19 06 N | 081 26 52 W |
| George Geary Ditch | Canal | 274 | Franklin | 40 05 16 N | 083 08 32 W |
| George Hollow | Valley | | Vinton | 39 14 18 N | 082 43 23 W |
| George M Verity Middle School | School | 205 | Butler | 39 29 37 N | 084 21 14 W |
| George McClure Pond | Reservoir | 216 | Lawrence | 38 38 54 N | 082 32 42 W |
| George McClure Pond Dam | Dam | 216 | Lawrence | 38 38 54 N | 082 32 42 W |
| George Miller Road Bridge | Bridge | 219 | Brown | 38 48 46 N | 083 44 26 W |
| George Rogers Clark Park | Park | 293 | Clark | 39 54 42 N | 083 54 25 W |
| George School (historical) | School | 306 | Muskingum | 39 55 35 N | 082 08 38 W |
| George Taylor Park | Park | 218 | Montgomery | 39 41 25 N | 084 14 10 W |
| George Trail | Trail | 277 | Highland | 39 07 10 N | 083 24 30 W |
| George Washington Carver Public School (historical) | School | 204 | Cuyahoga | 41 29 56 N | 081 39 10 W |
| George Washington Elementary School | School | 189 | Lake | 41 39 39 N | 081 26 42 W |
| George Washington Elementary School | School | 299 | Marion | 40 35 04 N | 083 06 13 W |
| George Worthington Building | Building | 198 | Cuyahoga | 41 29 57 N | 081 41 59 W |
| Georges Creek | Stream | | Adams | 38 56 15 N | 083 29 12 W |
| Georges Creek | Stream | | Gallia | 38 37 03 N | 082 18 18 W |
| Georges Fork | Stream | | Madison | 39 57 57 N | 083 29 01 W |
| Georges Run | Populated Place | 218 | Jefferson | 40 18 02 N | 080 37 31 W |
| Georges Run | Stream | | Jefferson | 40 17 54 N | 080 36 49 W |
| Georges Run | Stream | | Muskingum | 39 58 58 N | 081 50 23 W |
| Georges Run | Stream | | Pickaway | 39 36 26 N | 083 14 39 W |
| Georges Run | Stream | | Pickaway | 39 42 59 N | 083 07 27 W |
| Georges Run | Stream | | Pike | 39 03 07 N | 083 11 29 W |
| Georges Run Cemetery | Cemetery | 216 | Jefferson | 40 18 08 N | 080 37 08 W |
| Georges Run Post Office (historical) | Post Office | 219 | Jefferson | 40 18 00 N | 080 37 34 W |
| Georges Run School (historical) | School | 261 | Jefferson | 40 17 38 N | 080 38 50 W |
| Georgesville | Populated Place | 269 | Franklin | 39 53 27 N | 083 13 19 W |
| Georgesville Church of Christ in Christian Union | Church | 270 | Franklin | 39 53 32 N | 083 13 30 W |
| Georgesville Post Office | Post Office | 269 | Franklin | 39 53 25 N | 083 13 20 W |
| Georgetown | Populated Place | 280 | Brown | 38 51 52 N | 083 54 15 W |
| Georgetown | Populated Place | 308 | Fayette | 39 26 17 N | 083 30 33 W |
| Georgetown | Populated Place | 251 | Guernsey | 40 00 12 N | 081 35 24 W |
| Georgetown | Populated Place | 294 | Harrison | 40 12 27 N | 080 55 14 W |
| Georgetown | Populated Place | 228 | Muskingum | 39 58 06 N | 081 53 01 W |
| Georgetown | Populated Place | 315 | Preble | 39 54 05 N | 084 32 28 W |
| Georgetown Coal Preparation Plant | Locale | 347 | Harrison | 40 14 30 N | 080 59 29 W |
| Georgetown Historic District | Park | 281 | Brown | 38 51 55 N | 083 54 17 W |
| Georgetown Junior-Senior High School | School | 280 | Brown | 38 51 54 N | 083 54 24 W |
| Georgetown Mine | Mine | 347 | Harrison | 40 11 40 N | 080 54 31 W |
| Georgetown Plant Lower Supply Dam | Dam | 326 | Harrison | 40 13 54 N | 080 59 47 W |
| Georgetown Plant Lower Supply Pond | Reservoir | 326 | Harrison | 40 13 54 N | 080 59 47 W |
| Georgetown Plant Upper Supply Dam | Dam | 328 | Harrison | 40 13 30 N | 080 59 41 W |
| Georgetown Plant Upper Supply Pond | Reservoir | 328 | Harrison | 40 13 30 N | 080 59 41 W |
| Georgetown Post Office | Post Office | 280 | Brown | 38 51 50 N | 083 54 15 W |
| Georgetown Prep Plant Freshwater Lake | Reservoir | 318 | Harrison | 40 14 24 N | 080 56 47 W |
| Georgetown School (historical) | School | 283 | Hardin | 40 41 13 N | 083 27 38 W |
| Georgetown Upground Reservoir | Reservoir | 203 | Brown | 38 51 48 N | 083 55 18 W |
| Georgetown Upground Reservoir Dam | Dam | 212 | Brown | 38 51 48 N | 083 55 18 W |
| Georgetown Upper Dam Number One | Dam | 335 | Harrison | 40 13 06 N | 080 57 17 W |
| Georgetown Upper Dam Number One Pond | Reservoir | 335 | Harrison | 40 13 06 N | 080 57 17 W |
| Georgetown Upper Dam Number Two | Dam | 327 | Harrison | 40 12 54 N | 080 57 41 W |
| Georgetown Upper Dam Number Two Pond | Reservoir | 327 | Harrison | 40 12 54 N | 080 57 41 W |
| Georgetowne Shopping Center | Locale | 286 | Delaware | 40 18 25 N | 083 05 21 W |
| Georgian Heights Park | Park | 259 | Franklin | 39 56 05 N | 083 06 28 W |
| Georgian Heights School | School | 262 | Franklin | 39 56 13 N | 083 06 25 W |
| Geottl Pond | Reservoir | 342 | Richland | 40 43 36 N | 082 25 54 W |
| Geottl Pond Dam | Dam | 342 | Richland | 40 43 36 N | 082 25 54 W |
| Gephart | Populated Place | 210 | Scioto | 38 47 12 N | 082 47 40 W |