Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| South Highlands | Populated Place | 219 | Butler | 39 30 07 N | 084 22 41 W |
| South Hill Park | Populated Place | 193 | Lucas | 41 37 46 N | 083 41 56 W |
| South Junior High School | School | 268 | Allen | 40 43 40 N | 084 05 59 W |
| South Lawn Cemetery | Cemetery | 229 | Coshocton | 40 15 22 N | 081 51 34 W |
| South Lawn Cemetery | Cemetery | 294 | Licking | 40 13 41 N | 082 27 20 W |
| South Lawn Cemetery | Cemetery | 305 | Stark | 40 38 57 N | 081 34 26 W |
| South Lawn Elementary School | School | 237 | Coshocton | 40 15 58 N | 081 51 43 W |
| South Lebanon | Populated Place | 190 | Warren | 39 22 15 N | 084 12 48 W |
| South Lebanon Elementary School | School | 189 | Warren | 39 22 16 N | 084 12 49 W |
| South Lebanon Methodist Church | Church | 189 | Warren | 39 22 08 N | 084 12 45 W |
| South Lebanon Town Hall | Building | 190 | Warren | 39 22 12 N | 084 12 48 W |
| South Liberty Church | Church | 320 | Highland | 39 11 09 N | 083 44 06 W |
| South Liberty Church | Church | 210 | Wood | 41 16 11 N | 083 42 44 W |
| South Lincoln Elementary School | School | 350 | Stark | 40 55 03 N | 081 06 41 W |
| South Logan | Populated Place | 231 | Hocking | 39 31 44 N | 082 24 30 W |
| South Lorain | Populated Place | 195 | Lorain | 41 26 20 N | 082 08 12 W |
| South Madison | Populated Place | 272 | Lake | 41 43 31 N | 081 03 00 W |
| South Main Elementary School | School | 214 | Sandusky | 41 17 51 N | 082 58 33 W |
| South Main Elementary School | School | 212 | Wood | 41 22 08 N | 083 39 02 W |
| South Main Street Historic District | Park | 196 | Butler | 39 30 52 N | 084 24 25 W |
| South Main Street Historic District | Park | 315 | Mahoning | 41 01 24 N | 080 36 47 W |
| South Mastick Picnic Area | Locale | 191 | Cuyahoga | 41 26 01 N | 081 50 42 W |
| South Mecca Cemetery | Cemetery | 280 | Trumbull | 41 22 58 N | 080 44 18 W |
| South Middle School | School | 195 | Jefferson | 40 09 27 N | 080 42 28 W |
| South Middletown | Populated Place | 194 | Butler | 39 28 52 N | 084 24 03 W |
| South Mifflin Elementary School | School | 247 | Franklin | 40 00 16 N | 082 56 41 W |
| South Milford | Populated Place | 158 | Clermont | 39 09 17 N | 084 17 18 W |
| South Miller School (historical) | School | 408 | Morrow | 40 34 18 N | 082 39 42 W |
| South Moravian Church | Church | 275 | Tuscarawas | 40 30 42 N | 081 28 06 W |
| South Mount Hope School | School | 380 | Holmes | 40 36 28 N | 081 46 50 W |
| South Mount Vernon | Populated Place | 304 | Knox | 40 22 54 N | 082 29 33 W |
| South Mount Zion Church | Church | 217 | Putnam | 41 03 11 N | 084 15 22 W |
| South Murray Ridge Cemetery | Cemetery | 231 | Lorain | 41 20 15 N | 082 07 49 W |
| South New Lyme | Populated Place | 294 | Ashtabula | 41 34 54 N | 080 46 37 W |
| South Newbury | Populated Place | 353 | Geauga | 41 26 21 N | 081 12 28 W |
| South Newbury Cemetery | Cemetery | 348 | Geauga | 41 26 43 N | 081 12 27 W |
| South Newbury Post Office (historical) | Post Office | 354 | Geauga | 41 26 20 N | 081 12 29 W |
| South Niles | Populated Place | 265 | Trumbull | 41 10 30 N | 080 46 00 W |
| South Norwood Church of Christ | Church | 197 | Hamilton | 39 08 56 N | 084 27 08 W |
| South Olive | Populated Place | 216 | Noble | 39 40 08 N | 081 29 10 W |
| South Olive Cemetery | Cemetery | 224 | Noble | 39 40 05 N | 081 29 12 W |
| South Orwell Cemetery | Cemetery | 284 | Ashtabula | 41 31 16 N | 080 51 31 W |
| South Park | Park | 213 | Ashtabula | 41 51 44 N | 080 47 02 W |
| South Park | Park | 355 | Crawford | 40 43 28 N | 082 47 28 W |
| South Park | Park | 231 | Fulton | 41 32 35 N | 084 08 26 W |
| South Park | Park | 231 | Montgomery | 39 44 32 N | 084 10 51 W |
| South Park | Park | 391 | Richland | 40 45 25 N | 082 32 35 W |
| South Park | Populated Place | 262 | Wyandot | 40 48 59 N | 083 17 12 W |
| South Park Historic District | Park | 228 | Montgomery | 39 44 57 N | 084 10 45 W |
| South Park Post Office (historical) | Post Office | 186 | Cuyahoga | 41 22 00 N | 081 36 39 W |
| South Park Pre-School | School | 238 | Montgomery | 39 44 10 N | 084 10 53 W |
| South Park Shopping Center | Locale | 287 | Cuyahoga | 41 18 40 N | 081 49 06 W |
| South Park United Methodist Church | Church | 238 | Montgomery | 39 44 10 N | 084 10 53 W |
| South Passage | Channel | 174 | Ottawa | 41 34 23 N | 082 46 04 W |
| South Peninsula Cottage Area | Populated Place | 308 | Ashland | 40 45 05 N | 082 22 09 W |
| South Perry | Populated Place | 243 | Hocking | 39 29 48 N | 082 40 16 W |
| South Perry Post Office (historical) | Post Office | 246 | Hocking | 39 29 50 N | 082 40 15 W |
| South Phalanx Quarry | Mine | 281 | Portage | 41 16 03 N | 081 01 22 W |
| South Pittsfield Cemetery | Cemetery | 247 | Lorain | 41 13 43 N | 082 13 07 W |
| South Plaza Shopping Center | Locale | 313 | Summit | 41 01 40 N | 081 30 48 W |
| South Plymouth | Populated Place | 321 | Fayette | 39 34 48 N | 083 35 12 W |
| South Point | Populated Place | 171 | Lawrence | 38 25 04 N | 082 35 11 W |
| South Point Church of the Nazarene | Church | 179 | Lawrence | 38 25 17 N | 082 34 52 W |
| South Point High School | School | 178 | Lawrence | 38 25 24 N | 082 34 59 W |
| South Point Middle School | School | 172 | Lawrence | 38 25 22 N | 082 35 05 W |
| South Point Number 1 Elementary School | School | 171 | Lawrence | 38 25 13 N | 082 35 18 W |
| South Point Number 2 Elementary School | School | 182 | Lawrence | 38 25 28 N | 082 34 48 W |
| South Point Post Office | Post Office | 171 | Lawrence | 38 25 05 N | 082 35 11 W |
| South Point United Methodist Church | Church | 171 | Lawrence | 38 24 56 N | 082 35 08 W |
| South Point Village Mobile Home Park (subdivision) | Populated Place | 285 | Greene | 39 46 55 N | 084 01 10 W |
| South Powell Creek | Stream | | Defiance | 41 11 46 N | 084 19 60 W |
| South Presbyterian Church (historical) | Church | 206 | Cuyahoga | 41 28 05 N | 081 41 51 W |
| South Public School (historical) | School | 204 | Henry | 41 23 06 N | 084 07 14 W |
| South Public School (historical) | School | 207 | Warren | 39 33 19 N | 084 18 35 W |
| South Quarry Picnic Area | Locale | 234 | Cuyahoga | 41 21 18 N | 081 51 17 W |
| South Radnor Cemetery | Cemetery | 301 | Delaware | 40 18 36 N | 083 08 03 W |
| South Range West Intermediate School | School | 387 | Mahoning | 40 56 40 N | 080 47 39 W |
| South Reed Church | Church | 284 | Seneca | 41 05 45 N | 082 56 57 W |
| South Residence Hall | Building | 291 | Clark | 39 55 59 N | 083 48 43 W |
| South Ridge | Ridge | 218 | Lake | 41 46 29 N | 081 02 28 W |
| South Ridge Cemetery | Cemetery | 228 | Lake | 41 45 56 N | 081 05 11 W |
| South Ridge Church | Church | 262 | Ashtabula | 41 54 12 N | 080 34 18 W |
| South Ridge East Cemetery | Cemetery | 232 | Ashtabula | 41 48 15 N | 080 54 51 W |
| South Ridge School (historical) | School | 236 | Lorain | 41 22 11 N | 082 10 29 W |
| South River Road Cemetery | Cemetery | 258 | Ashtabula | 41 44 40 N | 080 56 43 W |
| South Run | Stream | | Knox | 40 17 41 N | 082 14 45 W |
| South Russell | Populated Place | 342 | Geauga | 41 25 53 N | 081 21 55 W |
| South Russell Cemetery | Cemetery | 341 | Geauga | 41 25 52 N | 081 21 01 W |
| South Salem | Populated Place | 280 | Ross | 39 20 10 N | 083 18 24 W |
| South Salem Cemetery | Cemetery | 274 | Ross | 39 20 13 N | 083 18 38 W |
| South Salem Post Office | Post Office | 280 | Ross | 39 20 10 N | 083 18 25 W |
| South Sandusky Avenue Historic District | Park | 260 | Wyandot | 40 49 34 N | 083 16 54 W |
| South School | School | 354 | Crawford | 40 43 25 N | 082 47 37 W |
| South School | School | 218 | Jackson | 38 53 23 N | 082 34 38 W |
| South School | School | 212 | Jackson | 39 06 34 N | 082 31 53 W |
| South Seneca Avenue School | School | 346 | Stark | 40 55 01 N | 081 05 51 W |
| South Shoal | Bar | 174 | Ottawa | 41 35 43 N | 082 47 17 W |
| South Shore Acres | Populated Place | 266 | Auglaize | 40 30 25 N | 084 27 14 W |
| South Shore Park | Populated Place | 176 | Lucas | 41 41 13 N | 083 24 18 W |
| South Shore Shopping Center | Locale | 183 | Erie | 41 25 18 N | 082 21 02 W |
| South Shore Sportsmen Club | Locale | 265 | Mercer | 40 30 20 N | 084 29 08 W |
| South Side | Populated Place | 324 | Mahoning | 41 04 10 N | 080 39 50 W |
| South Side | Populated Place | 267 | Tuscarawas | 40 28 37 N | 081 26 58 W |
| South Side Christian Church | Church | 263 | Allen | 40 43 50 N | 084 06 10 W |
| South Side Church of Christ | Church | 295 | Fayette | 39 31 46 N | 083 25 53 W |
| South Side Church of Christ | Church | 222 | Franklin | 39 53 33 N | 082 59 23 W |
| South Side Park | Park | 286 | Mahoning | 41 05 05 N | 080 38 52 W |
| South Side Park (historical) | Park | 262 | Tuscarawas | 40 23 19 N | 081 19 46 W |
| South Side School | School | 259 | Mahoning | 41 01 58 N | 080 32 06 W |
| South Side School (historical) | School | 268 | Tuscarawas | 40 28 29 N | 081 26 58 W |