Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Cedar Point | Cape | 174 | Lucas | 41 42 22 N | 083 20 37 W |
| Cedar Point | Populated Place | 176 | Erie | 41 28 48 N | 082 40 57 W |
| Cedar Point | Summit | 232 | Cuyahoga | 41 24 18 N | 081 53 12 W |
| Cedar Point Causeway | Bridge | 174 | Erie | 41 27 32 N | 082 40 24 W |
| Cedar Point Cemetery | Cemetery | 318 | Shelby | 40 16 57 N | 084 05 58 W |
| Cedar Point Clubhouse (historical) | Building | 175 | Lucas | 41 42 14 N | 083 20 10 W |
| Cedar Point Marina | Locale | 174 | Erie | 41 28 42 N | 082 41 02 W |
| Cedar Point Marsh | Swamp | 175 | Lucas | 41 41 15 N | 083 19 25 W |
| Cedar Point National Wildlife Refuge | Park | 175 | Lucas | 41 41 10 N | 083 19 19 W |
| Cedar Point Picnic Area | Locale | 201 | Cuyahoga | 41 24 27 N | 081 53 04 W |
| Cedar Point Post Office (historical) | Post Office | 176 | Erie | 41 28 48 N | 082 40 57 W |
| Cedar Ridge Church | Church | 194 | Washington | 39 29 53 N | 081 29 34 W |
| Cedar Ridge Picnic Area | Locale | 278 | Franklin | 39 54 05 N | 083 12 39 W |
| Cedar Run | Populated Place | 204 | Muskingum | 39 46 23 N | 081 54 08 W |
| Cedar Run | Stream | | Adams | 38 48 39 N | 083 24 60 W |
| Cedar Run | Stream | | Champaign | 40 01 42 N | 083 49 18 W |
| Cedar Run | Stream | | Highland | 39 17 03 N | 083 26 00 W |
| Cedar Run | Stream | | Licking | 40 04 16 N | 082 23 55 W |
| Cedar Run | Stream | | Muskingum | 39 46 23 N | 081 54 03 W |
| Cedar Run | Stream | | Perry | 39 34 34 N | 082 01 36 W |
| Cedar Run | Stream | | Wayne | 40 51 45 N | 082 00 20 W |
| Cedar School (historical) | School | 238 | Adams | 38 49 57 N | 083 23 48 W |
| Cedar Springs | Populated Place | 350 | Preble | 39 50 17 N | 084 47 39 W |
| Cedar Swamp | Swamp | 295 | Champaign | 40 03 30 N | 083 47 50 W |
| Cedar Valley | Populated Place | 287 | Wayne | 40 52 20 N | 082 01 29 W |
| Cedar-Green Shopping Center | Locale | 320 | Cuyahoga | 41 30 02 N | 081 31 12 W |
| Cedarbrook Elementary School | School | 210 | Lake | 41 42 38 N | 081 14 56 W |
| Cedarhill Post Office (historical) | Post Office | 268 | Fairfield | 39 41 25 N | 082 48 20 W |
| Cedarlen Park | Park | 265 | Fairfield | 39 43 13 N | 082 38 16 W |
| Cedarrun Post Office (historical) | Post Office | 204 | Muskingum | 39 46 25 N | 081 54 09 W |
| Cedarville | Populated Place | 320 | Greene | 39 44 39 N | 083 48 31 W |
| Cedarville Bluff | Cliff | 182 | Washington | 39 16 36 N | 081 36 24 W |
| Cedarville Cemetery | Cemetery | 193 | Washington | 39 16 37 N | 081 36 28 W |
| Cedarville Church of the Nazarene | Church | 320 | Greene | 39 44 12 N | 083 48 14 W |
| Cedarville Post Office | Post Office | 320 | Greene | 39 44 40 N | 083 48 30 W |
| Cedarville Reservoir | Reservoir | 318 | Greene | 39 44 30 N | 083 48 54 W |
| Cedarville Reservoir Dam | Dam | 318 | Greene | 39 44 30 N | 083 48 54 W |
| Cedarville United Methodist Church | Church | 320 | Greene | 39 44 35 N | 083 48 29 W |
| Cedarville United Presbyterian Church | Church | 320 | Greene | 39 44 37 N | 083 48 31 W |
| Cedarville University | School | 320 | Greene | 39 44 49 N | 083 48 39 W |
| Cedarwood Alternative Elementary School | School | 225 | Franklin | 39 53 04 N | 082 58 46 W |
| Cederquist Park | Park | 179 | Ashtabula | 41 52 37 N | 080 47 04 W |
| Cedron | Populated Place | 165 | Clermont | 38 48 22 N | 084 03 18 W |
| Cedron Post Office (historical) | Post Office | 165 | Clermont | 38 48 20 N | 084 03 20 W |
| Celeryville | Populated Place | 287 | Huron | 41 01 47 N | 082 43 55 W |
| Celeryville Reservoir | Reservoir | 288 | Crawford | 40 59 24 N | 082 44 06 W |
| Celeryville Upground Reservoir Dam | Dam | 288 | Crawford | 40 59 24 N | 082 44 06 W |
| Celeste Laboratory of Chemistry | Building | 230 | Franklin | 40 00 08 N | 083 00 43 W |
| Celina | Populated Place | 267 | Mercer | 40 32 56 N | 084 34 13 W |
| Celina City Hall | Building | 267 | Mercer | 40 33 01 N | 084 34 14 W |
| Celina Friends Church | Church | 265 | Mercer | 40 32 46 N | 084 34 56 W |
| Celina High School | School | 271 | Mercer | 40 33 20 N | 084 33 29 W |
| Celina Junior High School | School | 270 | Mercer | 40 33 21 N | 084 33 41 W |
| Celina Main Street Commercial Historic District | Locale | 265 | Mercer | 40 32 37 N | 084 28 53 W |
| Celina Main Street Commercial Historic District | Park | 267 | Mercer | 40 32 54 N | 084 34 16 W |
| Celina Post Office | Post Office | 267 | Mercer | 40 33 01 N | 084 34 17 W |
| Celina Power Plant | Building | 264 | Mercer | 40 32 34 N | 084 34 22 W |
| Celina School | School | 272 | Mercer | 40 33 14 N | 084 33 34 W |
| Celina Sewage Treatment Plant | Building | 261 | Mercer | 40 32 08 N | 084 34 43 W |
| Celina Temple | Church | 263 | Mercer | 40 34 04 N | 084 32 29 W |
| Celina Water Treatment Plant | Building | 264 | Mercer | 40 32 32 N | 084 34 24 W |
| Cemetery Hill | Summit | 372 | Highland | 39 16 58 N | 083 36 18 W |
| Cenci Lake Park | Park | 246 | Fairfield | 39 42 26 N | 082 36 24 W |
| Centenary | Populated Place | 176 | Gallia | 38 47 57 N | 082 16 04 W |
| Centenary Cemetery | Cemetery | 201 | Gallia | 38 48 15 N | 082 16 03 W |
| Centenary Cemetery | Cemetery | 247 | Hocking | 39 34 49 N | 082 29 41 W |
| Centenary Cemetery | Cemetery | 297 | Lawrence | 38 32 42 N | 082 25 50 W |
| Centenary Cemetery | Cemetery | 323 | Tuscarawas | 40 17 38 N | 081 31 05 W |
| Centenary Cemetery | Cemetery | 348 | Tuscarawas | 40 15 31 N | 081 34 28 W |
| Centenary Cemetery | Cemetery | 317 | Vinton | 39 18 49 N | 082 33 08 W |
| Centenary Chapel | Church | 309 | Stark | 40 42 37 N | 081 16 34 W |
| Centenary Chapel | Church | 309 | Stark | 40 42 38 N | 081 16 34 W |
| Centenary Chapel Cemetery | Cemetery | 318 | Stark | 40 42 43 N | 081 16 33 W |
| Centenary Church | Church | 214 | Lawrence | 38 30 10 N | 082 36 06 W |
| Centenary Church | Church | 288 | Lawrence | 38 32 41 N | 082 25 52 W |
| Centenary Church | Church | 279 | Lawrence | 38 32 38 N | 082 25 55 W |
| Centenary Church | Church | 218 | Paulding | 41 09 55 N | 084 23 59 W |
| Centenary Church | Church | 280 | Washington | 39 22 02 N | 081 47 06 W |
| Centenary Church (historical) | Church | 317 | Vinton | 39 18 47 N | 082 33 07 W |
| Centenary Methodist Church | Church | 154 | Brown | 38 44 50 N | 083 50 46 W |
| Centenary Methodist Church | Church | 181 | Gallia | 38 47 58 N | 082 15 52 W |
| Centenary Methodist Episcopal Church (historical) | Church | 155 | Adams | 38 41 18 N | 083 36 37 W |
| Centenary United Methodist Church | Church | 306 | Columbiana | 40 49 57 N | 080 32 22 W |
| Centenary United Methodist Church | Church | 244 | Franklin | 39 58 05 N | 082 58 36 W |
| Centenary United Methodist Church | Church | 325 | Mahoning | 41 07 10 N | 080 39 27 W |
| Centenary United Methodist Church | Church | 327 | Summit | 41 04 08 N | 081 33 34 W |
| Centennial | Populated Place | 205 | Lucas | 41 43 01 N | 083 44 38 W |
| Centennial Church | Church | 282 | Athens | 39 17 37 N | 081 48 37 W |
| Centennial Church Cemetery | Cemetery | 284 | Washington | 39 17 40 N | 081 48 37 W |
| Centennial High School | School | 268 | Franklin | 40 03 42 N | 083 03 29 W |
| Centennial Library | Building | 319 | Greene | 39 44 52 N | 083 48 43 W |
| Centennial Mall | Park | 182 | Lucas | 41 39 40 N | 083 36 50 W |
| Centennial Park | Park | 392 | Columbiana | 40 53 53 N | 080 50 27 W |
| Centennial Park | Park | 172 | Hamilton | 39 13 51 N | 084 26 18 W |
| Centennial School | School | 274 | Auglaize | 40 33 55 N | 084 11 14 W |
| Centennial School (historical) | School | 324 | Logan | 40 26 41 N | 083 32 30 W |
| Center | Locale | 320 | Fayette | 39 34 35 N | 083 38 29 W |
| Center | Populated Place | 317 | Guernsey | 40 03 50 N | 081 31 44 W |
| Center | Populated Place | 218 | Seneca | 41 08 32 N | 083 09 28 W |
| Center (historical) | Populated Place | 268 | Noble | 39 47 07 N | 081 27 31 W |
| Center 42 Industrial Park | Locale | 288 | Delaware | 40 16 16 N | 083 06 34 W |
| Center Baptist Cemetery | Cemetery | 328 | Guernsey | 40 03 54 N | 081 32 12 W |
| Center Bend | Populated Place | 189 | Morgan | 39 35 38 N | 081 40 52 W |
| Center Branch | Stream | | Auglaize | 40 32 14 N | 084 21 44 W |
| Center Branch Rush Creek | Stream | | Perry | 39 43 20 N | 082 20 37 W |
| Center Cemetery | Cemetery | 329 | Ashtabula | 41 32 11 N | 080 39 53 W |
| Center Cemetery | Cemetery | 207 | Ashtabula | 41 56 09 N | 080 34 52 W |
| Center Cemetery | Cemetery | 401 | Belmont | 39 58 17 N | 081 04 59 W |
| Center Cemetery | Cemetery | 303 | Clinton | 39 28 58 N | 083 52 09 W |
| Center Cemetery | Cemetery | 299 | Cuyahoga | 41 19 12 N | 081 38 04 W |