Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Stephen Vail Middle School | School | 201 | Butler | 39 30 44 N | 084 23 60 W |
| Stephens Ditch | Canal | 332 | Darke | 39 55 28 N | 084 38 17 W |
| Stephens Drive Park | Park | 254 | Franklin | 39 56 07 N | 083 05 21 W |
| Stephens Hall | Building | 327 | Knox | 40 22 27 N | 082 23 48 W |
| Stephenson Cemetery | Cemetery | 209 | Jackson | 38 52 36 N | 082 42 22 W |
| Stephenson Park | Park | 189 | Sandusky | 41 20 45 N | 083 06 57 W |
| Stephenson School (historical) | School | 160 | Brown | 38 43 29 N | 083 49 51 W |
| Steple Valley Elementary School | School | 268 | Belmont | 40 06 26 N | 080 45 20 W |
| Stepnorth Retail Cluster Mall Shopping Center | Locale | 282 | Cuyahoga | 41 25 48 N | 081 23 26 W |
| Sterkel Park | Park | 414 | Richland | 40 44 16 N | 082 31 23 W |
| Sterling | Populated Place | 294 | Wayne | 40 58 03 N | 081 50 54 W |
| Sterling Bottom | Flat | 187 | Meigs | 39 00 38 N | 081 46 09 W |
| Sterling Branch Cleveland Public Library | Building | 205 | Cuyahoga | 41 29 50 N | 081 40 00 W |
| Sterling Cemetery | Cemetery | 207 | Athens | 39 21 35 N | 081 58 49 W |
| Sterling Elementary School | School | 296 | Wayne | 40 57 44 N | 081 50 34 W |
| Sterling Farm | Locale | 206 | Wood | 41 22 59 N | 083 38 07 W |
| Sterling Field | Park | 179 | Lucas | 41 38 29 N | 083 33 44 W |
| Sterling Morton Elementary School | School | 186 | Lake | 41 44 38 N | 081 18 19 W |
| Sterling Park | Park | 193 | Cuyahoga | 41 30 43 N | 081 40 12 W |
| Sterling Run | Stream | | Brown | 38 57 39 N | 083 54 56 W |
| Sterling School | School | 202 | Cuyahoga | 41 29 58 N | 081 40 06 W |
| Sterling Union Cemetery | Cemetery | 297 | Wayne | 40 57 18 N | 081 50 33 W |
| Sterrett Knob | Summit | 375 | Wayne | 40 40 26 N | 081 54 55 W |
| Stetler School (historical) | School | 246 | Van Wert | 40 43 47 N | 084 44 50 W |
| Stetson Run | Stream | | Monroe | 39 41 49 N | 080 51 26 W |
| Stettler Cemetery | Cemetery | 275 | Montgomery | 39 37 18 N | 084 18 30 W |
| Stettler Church | Church | 275 | Montgomery | 39 37 18 N | 084 18 31 W |
| Steuben | Populated Place | 265 | Huron | 41 06 17 N | 082 41 14 W |
| Steuben Cemetery | Cemetery | 261 | Huron | 41 06 13 N | 082 41 02 W |
| Steuben Post Office (historical) | Post Office | 259 | Huron | 41 06 15 N | 082 41 15 W |
| Steubenville | Populated Place | 318 | Jefferson | 40 22 11 N | 080 38 02 W |
| Steubenville and Jefferson County Public Library | Building | 223 | Jefferson | 40 21 18 N | 080 37 05 W |
| Steubenville City Hall | Building | 217 | Jefferson | 40 21 32 N | 080 36 51 W |
| Steubenville Commercial Historic District | Park | 220 | Jefferson | 40 21 40 N | 080 36 55 W |
| Steubenville Country Club | Locale | 371 | Jefferson | 40 21 50 N | 080 40 37 W |
| Steubenville High School | School | 215 | Jefferson | 40 21 53 N | 080 36 44 W |
| Steubenville Post Office | Post Office | 218 | Jefferson | 40 21 43 N | 080 36 50 W |
| Steubenville Post Office | Post Office | 380 | Jefferson | 40 16 15 N | 080 46 54 W |
| Steubenville Seventh Day Adventist Church | Church | 335 | Jefferson | 40 22 07 N | 080 37 30 W |
| Steve Finlaw Lake | Reservoir | 208 | Meigs | 38 57 24 N | 081 53 23 W |
| Steve Finlaw Lake Dam | Dam | 208 | Meigs | 38 57 24 N | 081 53 23 W |
| Stevely Cemetery | Cemetery | 270 | Auglaize | 40 37 19 N | 084 11 01 W |
| Stevens Branch | Stream | | Vinton | 39 15 57 N | 082 40 45 W |
| Stevens Cemetery | Cemetery | 219 | Gallia | 38 54 38 N | 082 15 41 W |
| Stevens Ditch | Canal | 211 | Defiance | 41 16 14 N | 084 25 42 W |
| Stevens Park | Park | 313 | Trumbull | 41 11 25 N | 080 44 33 W |
| Stevens Pond | Reservoir | 199 | Defiance | 41 17 24 N | 084 15 42 W |
| Stevens Pond | Reservoir | 354 | Monroe | 39 51 36 N | 081 06 05 W |
| Stevens Pond Dam | Dam | 199 | Defiance | 41 17 24 N | 084 15 42 W |
| Stevens Pond Dam | Dam | 355 | Monroe | 39 51 36 N | 081 06 05 W |
| Stevens Student Center | Building | 320 | Greene | 39 44 56 N | 083 48 52 W |
| Stevenson Cemetery | Cemetery | 267 | Fairfield | 39 47 11 N | 082 27 30 W |
| Stevenson Elementary School | School | 266 | Licking | 40 02 20 N | 082 26 58 W |
| Stevenson Elementary School | School | 279 | Trumbull | 41 12 44 N | 080 32 14 W |
| Stevenson Hall | Building | 334 | Wayne | 40 48 48 N | 081 56 11 W |
| Stevenson Road Bridge | Bridge | 258 | Greene | 39 44 06 N | 083 53 56 W |
| Stevensons Landing | Locale | 151 | Adams | 38 40 34 N | 083 27 60 W |
| Stevensons Landing | Locale | 153 | Brown | 38 42 00 N | 083 47 10 W |
| Stewart | Populated Place | 203 | Athens | 39 18 29 N | 081 53 40 W |
| Stewart (historical) | Populated Place | 415 | Richland | 40 46 48 N | 082 35 25 W |
| Stewart Cemetery | Cemetery | 208 | Athens | 39 11 36 N | 081 45 55 W |
| Stewart Cemetery | Cemetery | 243 | Athens | 39 18 32 N | 081 54 04 W |
| Stewart Cemetery | Cemetery | 314 | Crawford | 40 48 44 N | 082 55 31 W |
| Stewart Cemetery | Cemetery | 335 | Greene | 39 34 49 N | 083 43 12 W |
| Stewart Cemetery | Cemetery | 193 | Meigs | 39 05 14 N | 081 47 45 W |
| Stewart Cemetery | Cemetery | 248 | Noble | 39 40 12 N | 081 19 27 W |
| Stewart Cemetery | Cemetery | 293 | Shelby | 40 15 39 N | 084 13 34 W |
| Stewart Chapel Cemetery | Cemetery | 275 | Gallia | 38 38 21 N | 082 19 40 W |
| Stewart Elementary School | School | 231 | Franklin | 39 56 33 N | 082 59 44 W |
| Stewart Elementary School | School | 264 | Hamilton | 39 17 06 N | 084 21 32 W |
| Stewart Elementary School (historical) | School | 282 | Butler | 39 30 24 N | 084 44 42 W |
| Stewart Field | Park | 230 | Coshocton | 40 16 18 N | 081 52 16 W |
| Stewart Hall | Building | 344 | Portage | 41 08 36 N | 081 20 13 W |
| Stewart Hill Plaza Shopping Center | Locale | 342 | Mahoning | 41 01 26 N | 080 35 37 W |
| Stewart Hollow | Valley | | Pike | 39 07 45 N | 083 17 25 W |
| Stewart Hollow | Valley | | Scioto | 38 44 40 N | 082 51 56 W |
| Stewart Knob | Summit | 307 | Lawrence | 38 41 43 N | 082 33 46 W |
| Stewart Lake | Lake | 268 | Ross | 39 13 06 N | 082 57 48 W |
| Stewart Lake Dam | Dam | 272 | Ross | 39 13 06 N | 082 57 48 W |
| Stewart Landing | Locale | 189 | Monroe | 39 34 55 N | 080 58 59 W |
| Stewart Memorial Christian Methodist Episcopal Church | Church | 216 | Franklin | 39 57 28 N | 083 01 45 W |
| Stewart Memorial United Brethren in Christ Church | Church | 247 | Guernsey | 40 01 53 N | 081 35 46 W |
| Stewart Pond | Lake | 320 | Portage | 41 11 32 N | 081 21 40 W |
| Stewart Post Office | Post Office | 201 | Athens | 39 18 30 N | 081 53 39 W |
| Stewart Primary School | School | 317 | Summit | 41 04 00 N | 081 33 54 W |
| Stewart-Werner Cemetery | Cemetery | 293 | Lawrence | 38 40 45 N | 082 34 55 W |
| Stewarts Christian Methodist Episcopal Church | Church | 207 | Cuyahoga | 41 29 13 N | 081 38 46 W |
| Stewartsville | Populated Place | 268 | Belmont | 40 00 43 N | 080 51 29 W |
| Stewartsville Post Office | Post Office | 276 | Belmont | 40 00 45 N | 080 51 29 W |
| Stickney Elementary School | School | 185 | Lucas | 41 39 52 N | 083 31 02 W |
| Stidham Cemetery | Cemetery | 268 | Scioto | 38 49 36 N | 082 41 46 W |
| Stiers Cemetery | Cemetery | 377 | Harrison | 40 10 09 N | 080 56 23 W |
| Stilers Corner School (historical) | School | 346 | Morrow | 40 28 48 N | 082 49 14 W |
| Stiles Cemetery | Cemetery | 283 | Auglaize | 40 38 37 N | 084 01 55 W |
| Stiles Cemetery | Cemetery | 267 | Warren | 39 16 11 N | 084 06 55 W |
| Stiles Elementary School | School | 273 | Franklin | 39 56 50 N | 083 07 30 W |
| Still Fork | Stream | | Carroll | 40 42 59 N | 081 06 31 W |
| Still Fork Church | Church | 378 | Carroll | 40 41 14 N | 081 01 24 W |
| Still Fork Church Cemetery | Cemetery | 350 | Carroll | 40 40 19 N | 081 03 01 W |
| Still Fork Church Cemetery | Cemetery | 376 | Carroll | 40 41 04 N | 081 02 12 W |
| Stillhouse Branch | Stream | | Gallia | 38 35 48 N | 082 14 21 W |
| Stillhouse Run | Stream | | Belmont | 40 02 05 N | 080 49 30 W |
| Stillhouse Run | Stream | | Monroe | 39 46 53 N | 080 51 10 W |
| Stillhouse Run (historical) | Populated Place | 192 | Monroe | 39 47 00 N | 080 51 24 W |
| Stillman Hall | Building | 231 | Franklin | 40 00 06 N | 083 00 39 W |
| Stillwater | Populated Place | 262 | Tuscarawas | 40 19 24 N | 081 18 30 W |
| Stillwater Beach Campground | Locale | 286 | Darke | 40 09 54 N | 084 26 37 W |
| Stillwater Cemetery | Cemetery | 339 | Belmont | 40 08 36 N | 081 09 34 W |
| Stillwater Cemetery | Cemetery | 380 | Belmont | 39 59 16 N | 081 09 06 W |
| Stillwater Creek | Stream | | Tuscarawas | 40 25 27 N | 081 22 18 W |