Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| School Number 9 (historical) | School | 183 | Butler | 39 19 50 N | 084 26 39 W |
| School Number 9 (historical) | School | 200 | Butler | 39 26 46 N | 084 24 51 W |
| School Number 9 (historical) | School | 267 | Butler | 39 31 23 N | 084 38 51 W |
| School Number 9 (historical) | School | 288 | Butler | 39 29 35 N | 084 45 35 W |
| School Number 9 (historical) | School | 302 | Darke | 40 09 33 N | 084 28 45 W |
| School Number 9 (historical) | School | 219 | Defiance | 41 16 02 N | 084 40 11 W |
| School Number 9 (historical) | School | 250 | Defiance | 41 21 12 N | 084 44 50 W |
| School Number 9 (historical) | School | 222 | Defiance | 41 16 52 N | 084 43 15 W |
| School Number 9 (historical) | School | 227 | Fulton | 41 34 24 N | 084 02 14 W |
| School Number 9 (historical) | School | 230 | Fulton | 41 30 02 N | 084 12 38 W |
| School Number 9 (historical) | School | 221 | Fulton | 41 32 37 N | 084 18 24 W |
| School Number 9 (historical) | School | 299 | Huron | 41 05 01 N | 082 33 45 W |
| School Number 9 (historical) | School | 331 | Logan | 40 27 45 N | 083 47 17 W |
| School Number 9 (historical) | School | 313 | Logan | 40 21 43 N | 083 59 04 W |
| School Number 9 (historical) | School | 323 | Logan | 40 27 23 N | 083 49 11 W |
| School Number 9 (historical) | School | 260 | Mercer | 40 34 04 N | 084 47 06 W |
| School Number 9 (historical) | School | 267 | Montgomery | 39 39 49 N | 084 10 51 W |
| School Number 9 (historical) | School | 222 | Paulding | 41 09 01 N | 084 40 12 W |
| School Number 9 (historical) | School | 290 | Seneca | 41 00 30 N | 082 56 23 W |
| School Number 9 (historical) | School | 314 | Shelby | 40 26 21 N | 084 04 07 W |
| School Number 9 (historical) | School | 304 | Shelby | 40 24 33 N | 084 12 09 W |
| School Number 9 (historical) | School | 306 | Tuscarawas | 40 29 19 N | 081 39 10 W |
| School Number 9 (historical) | School | 235 | Van Wert | 40 55 00 N | 084 40 05 W |
| School Number 9 (historical) | School | 365 | Wayne | 40 44 28 N | 081 42 25 W |
| School Number 9 (historical) | School | 322 | Wayne | 40 44 27 N | 081 51 47 W |
| School Number 9 (historical) | School | 228 | Williams | 41 26 29 N | 084 33 19 W |
| School Number 9 (historical) | School | 250 | Williams | 41 26 28 N | 084 37 53 W |
| School Number 9 (historical) | School | 250 | Williams | 41 31 43 N | 084 33 21 W |
| School Number 9 (historical) | School | 275 | Williams | 41 37 16 N | 084 40 13 W |
| School Number 9 (historical) | School | 262 | Williams | 41 34 18 N | 084 40 18 W |
| School Number 9 (historical) | School | 278 | Williams | 41 37 42 N | 084 42 32 W |
| School of Applied Science,Design and Technology | School | | Cuyahoga | 41 31 08 N | 081 37 57 W |
| School Of Business And International Affairs | School | | Cuyahoga | 41 32 08 N | 081 36 45 W |
| School Of Health,Leadership And Wellness | School | | Cuyahoga | 41 32 08 N | 081 36 45 W |
| School of Hope | School | 189 | Sandusky | 41 21 09 N | 083 05 35 W |
| School Of Inquiry,Innovation And Technology | School | | Cuyahoga | 41 25 49 N | 081 43 18 W |
| School Of Leadership | School | | Cuyahoga | 41 25 49 N | 081 43 18 W |
| School Of Medicine,Public Health And Justice | School | | Cuyahoga | 41 25 49 N | 081 43 18 W |
| School Of Science And Technology | School | | Cuyahoga | 41 32 08 N | 081 36 45 W |
| School of the Assumption | School | 384 | Belmont | 39 59 18 N | 081 10 52 W |
| School of the Heart of the Blessed Virgin Mary | School | 219 | Cuyahoga | 41 27 07 N | 081 38 31 W |
| School Park | Park | 227 | Paulding | 41 04 36 N | 084 43 57 W |
| Schooley | Populated Place | 195 | Ross | 39 15 56 N | 082 52 12 W |
| Schooley Cemetery | Cemetery | 249 | Hocking | 39 23 25 N | 082 39 36 W |
| Schooley Post Office (historical) | Post Office | 197 | Ross | 39 15 55 N | 082 52 10 W |
| Schooley School (historical) | School | 313 | Greene | 39 39 58 N | 083 48 15 W |
| Schooley Station Cemetery | Cemetery | 215 | Ross | 39 15 49 N | 082 51 57 W |
| Schoonover Lake | Reservoir | 267 | Allen | 40 44 48 N | 084 05 48 W |
| Schoonover Lake Dam | Dam | 267 | Allen | 40 44 48 N | 084 05 48 W |
| Schoonover Park | Park | 265 | Allen | 40 44 52 N | 084 05 51 W |
| Schoosters Landing | Locale | 187 | Washington | 39 26 09 N | 081 10 48 W |
| Schorr School (historical) | School | 296 | Morrow | 40 27 57 N | 083 00 32 W |
| Schott Building | Building | 204 | Hamilton | 39 08 51 N | 084 28 33 W |
| Schrader | Populated Place | 184 | Ross | 39 18 29 N | 082 54 52 W |
| Schrader Airstrip | Airport | 302 | Union | 40 10 12 N | 083 13 60 W |
| Schrader Corners | Locale | 329 | Mahoning | 41 04 34 N | 080 55 41 W |
| Schrank Hall | Building | 313 | Summit | 41 04 29 N | 081 30 51 W |
| Schreiber Ditch | Canal | 202 | Lucas | 41 43 06 N | 083 44 10 W |
| Schriver Cemetery | Cemetery | 282 | Noble | 39 40 20 N | 081 31 53 W |
| Schriver Cemetery | Cemetery | 272 | Wyandot | 40 41 39 N | 083 25 30 W |
| Schriver Fork | Stream | | Noble | 39 39 07 N | 081 32 44 W |
| Schrock Lake | Reservoir | 267 | Franklin | 40 06 40 N | 082 57 35 W |
| Schrock Lake Picnic Area | Locale | 271 | Franklin | 40 06 42 N | 082 57 44 W |
| Schrocks Cemetery | Cemetery | 365 | Holmes | 40 33 12 N | 081 44 54 W |
| Schroder School | School | 232 | Hamilton | 39 10 59 N | 084 25 02 W |
| Schroeder Ditch | Canal | 230 | Lorain | 41 19 38 N | 082 08 36 W |
| Schrop Middle School | School | 314 | Summit | 41 00 13 N | 081 28 21 W |
| Schroy Cemetery | Cemetery | 369 | Mahoning | 40 55 36 N | 080 35 10 W |
| Schroy Cemetery | Cemetery | 370 | Mahoning | 40 55 49 N | 080 34 50 W |
| Schuler Hollow | Valley | | Scioto | 38 51 56 N | 082 56 24 W |
| Schultz Hill | Summit | 337 | Hocking | 39 30 23 N | 082 24 58 W |
| Schultz Lake | Reservoir | 350 | Portage | 41 01 06 N | 081 11 23 W |
| Schultz Lake Dam | Dam | 350 | Portage | 41 01 06 N | 081 11 23 W |
| Schulzes Airport | Airport | 299 | Crawford | 40 57 00 N | 082 55 30 W |
| Schumaker Ditch | Canal | 186 | Lorain | 41 29 03 N | 082 04 59 W |
| Schumm | Populated Place | 257 | Van Wert | 40 45 23 N | 084 43 39 W |
| Schumm Cemetery | Cemetery | 253 | Van Wert | 40 45 03 N | 084 43 37 W |
| Schumm Post Office (historical) | Post Office | | Van Wert | 40 45 25 N | 084 43 40 W |
| Schuster Park | Park | 183 | Butler | 39 21 59 N | 084 33 11 W |
| Schuster-Martin School of Drama (historical) | School | 250 | Hamilton | 39 07 38 N | 084 29 15 W |
| Schwab Junior High School | School | 181 | Hamilton | 39 10 37 N | 084 31 03 W |
| Schwab Run | Stream | | Noble | 39 43 00 N | 081 21 37 W |
| Schwab School | School | 181 | Hamilton | 39 10 05 N | 084 32 10 W |
| Schwaberow Cemetery | Cemetery | 293 | Shelby | 40 26 15 N | 084 18 39 W |
| Schwaberow School (historical) | School | 296 | Shelby | 40 26 12 N | 084 18 44 W |
| Schwan Creek | Stream | | Sandusky | 41 22 55 N | 083 22 44 W |
| Schwartz Cemetery | Cemetery | 230 | Hancock | 41 02 38 N | 083 46 56 W |
| Schwartzkopf Park | Park | 298 | Union | 40 14 40 N | 083 22 21 W |
| Schwartzwald Playground | Park | 192 | Butler | 39 25 03 N | 084 33 47 W |
| Schween School (historical) | School | 215 | Lucas | 41 42 03 N | 083 50 22 W |
| Schweickart Hollow | Valley | | Lawrence | 38 40 02 N | 082 34 50 W |
| Schweickert Field | Park | 331 | Cuyahoga | 41 29 28 N | 081 31 31 W |
| Schweinfurth Cemetery | Cemetery | 295 | Marion | 40 29 53 N | 083 08 30 W |
| Schweitzer Cemetery | Cemetery | 273 | Coshocton | 40 13 34 N | 081 39 03 W |
| Schweitzer Cemetery | Cemetery | 258 | Tuscarawas | 40 22 28 N | 081 28 13 W |
| Schweitzer Hill | Summit | 400 | Richland | 40 36 46 N | 082 30 29 W |
| Schwendenman Bridge | Bridge | 198 | Washington | 39 26 25 N | 081 26 48 W |
| Science Hill | Populated Place | 362 | Harrison | 40 13 43 N | 080 57 53 W |
| Science Hill Cemetery | Cemetery | 338 | Stark | 40 55 22 N | 081 09 51 W |
| Science Hill Post Office (historical) | Post Office | 356 | Harrison | 40 13 45 N | 080 57 54 W |
| Science Hill School (historical) | School | 312 | Coshocton | 40 12 35 N | 081 49 32 W |
| Science Hill School (historical) | School | 341 | Guernsey | 40 12 29 N | 081 33 08 W |
| Science Hill School (historical) | School | 283 | Guernsey | 39 59 30 N | 081 16 35 W |
| Science Hill School (historical) | School | 296 | Shelby | 40 12 35 N | 084 16 40 W |
| Scienceville | Populated Place | 308 | Mahoning | 41 06 49 N | 080 37 00 W |
| Scienceville Post Office (historical) | Post Office | 309 | Mahoning | 41 06 50 N | 080 36 59 W |
| Scio | Populated Place | 302 | Harrison | 40 23 45 N | 081 05 05 W |
| Scio Pottery Pond | Reservoir | 303 | Harrison | 40 24 00 N | 081 05 59 W |
| Scio Pottery Pond Dam | Dam | 303 | Harrison | 40 24 00 N | 081 05 59 W |
| Scioto | Populated Place | 286 | Delaware | 40 16 49 N | 083 08 27 W |