Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Powhatan Point | Populated Place | 208 | Belmont | 39 51 36 N | 080 48 55 W |
| Powhatan Point Post Office | Post Office | 204 | Belmont | 39 51 35 N | 080 48 54 W |
| Powhatan United Methodist Church | Church | 206 | Belmont | 39 51 58 N | 080 47 52 W |
| Powhattan | Populated Place | 332 | Champaign | 40 02 32 N | 083 41 24 W |
| Poyer Cemetery | Cemetery | 246 | Erie | 41 18 25 N | 082 27 43 W |
| Poyner Cemetery | Cemetery | 312 | Preble | 39 40 26 N | 084 41 07 W |
| Poznan | Populated Place | 193 | Cuyahoga | 41 31 11 N | 081 38 01 W |
| Prairie Cemetery | Cemetery | 283 | Holmes | 40 38 40 N | 081 55 31 W |
| Prairie Chapel | Church | 235 | Coshocton | 40 18 17 N | 081 54 46 W |
| Prairie Chapel | Church | 217 | Paulding | 41 05 59 N | 084 21 42 W |
| Prairie Chapel Cemetery | Cemetery | 235 | Coshocton | 40 18 18 N | 081 54 47 W |
| Prairie Chapel Cemetery | Cemetery | 217 | Paulding | 41 06 00 N | 084 21 45 W |
| Prairie College Elementary School | School | 340 | Stark | 40 44 40 N | 081 24 41 W |
| Prairie Creek | Stream | | Defiance | 41 22 36 N | 084 27 15 W |
| Prairie Creek | Stream | | Mercer | 40 30 45 N | 084 30 45 W |
| Prairie Creek | Stream | | Mercer | 40 33 32 N | 084 44 12 W |
| Prairie Creek | Stream | | Paulding | 41 05 57 N | 084 23 09 W |
| Prairie Creek | Stream | | Paulding | 41 03 49 N | 084 24 29 W |
| Prairie Ditch | Canal | 203 | Lucas | 41 37 35 N | 083 49 28 W |
| Prairie Farm (historical) | Locale | 315 | Knox | 40 18 01 N | 082 23 18 W |
| Prairie Fork | Stream | | Muskingum | 40 01 54 N | 081 51 53 W |
| Prairie Fork School (historical) | School | 313 | Auglaize | 40 34 45 N | 083 55 25 W |
| Prairie Lake (historical) | Lake | 314 | Licking | 40 12 30 N | 082 23 50 W |
| Prairie Outlet | Stream | | Darke | 40 01 54 N | 084 40 10 W |
| Prairie Road Fen State Nature Preserve | Park | 311 | Clark | 39 59 40 N | 083 42 23 W |
| Prairie Run | Stream | | Delaware | 40 19 17 N | 083 10 09 W |
| Prairie Run | Stream | | Delaware | 40 13 40 N | 082 51 46 W |
| Prairie Run | Stream | | Knox | 40 31 11 N | 082 28 59 W |
| Prairie Run | Stream | | Marion | 40 39 43 N | 083 19 13 W |
| Prairie Run | Stream | | Union | 40 09 27 N | 083 23 54 W |
| Prairie School (historical) | School | 221 | Fulton | 41 39 09 N | 084 14 54 W |
| Prairie School (historical) | School | 206 | Lucas | 41 40 24 N | 083 47 43 W |
| Prairie School (historical) | School | 246 | Mercer | 40 40 11 N | 084 36 31 W |
| Prairie School (historical) | School | 245 | Van Wert | 40 46 07 N | 084 24 60 W |
| Prairie Town Farm (historical) | Locale | 309 | Knox | 40 18 36 N | 082 25 36 W |
| Prairie Valley Farm (historical) | Locale | 329 | Licking | 39 58 03 N | 082 20 60 W |
| Prairie-Lincoln Elementary School | School | 278 | Franklin | 39 57 29 N | 083 07 57 W |
| Prairie-Norton Elementary School | School | 280 | Franklin | 39 56 55 N | 083 08 28 W |
| Prairieview Cemetery | Cemetery | 261 | Pickaway | 39 29 01 N | 082 49 58 W |
| Praise and Worship Church | Church | 250 | Adams | 38 56 56 N | 083 24 11 W |
| Praise Chapel Assembly of God Church | Church | 302 | Summit | 41 02 03 N | 081 34 18 W |
| Praise Temple Assembly of God Church | Church | 316 | Shelby | 40 17 33 N | 084 10 18 W |
| Praise Temple Christian Methodist Episcopal Church | Church | 250 | Franklin | 39 58 29 N | 082 58 05 W |
| Praise Temple Church of Christ | Church | 186 | Hamilton | 39 09 57 N | 084 23 32 W |
| Praise Temple Church of God in Christ | Church | 215 | Jefferson | 40 22 02 N | 080 36 45 W |
| Pratt Cemetery | Cemetery | 257 | Auglaize | 40 38 03 N | 084 20 46 W |
| Pratt School (historical) | School | 253 | Auglaize | 40 38 29 N | 084 20 59 W |
| Pratters Landing | Locale | 150 | Scioto | 38 42 00 N | 082 52 34 W |
| Pratts | Populated Place | 259 | Hancock | 40 55 21 N | 083 30 16 W |
| Pratts Fork | Populated Place | 241 | Athens | 39 11 32 N | 082 01 02 W |
| Pratts Fork | Stream | | Athens | 39 11 48 N | 081 58 29 W |
| Pratts Fork Cemetery | Cemetery | 269 | Athens | 39 11 26 N | 082 00 37 W |
| Pratts Fork Church | Church | 269 | Athens | 39 11 28 N | 082 00 36 W |
| Pratts Fork Post Office (historical) | Post Office | 242 | Athens | 39 11 30 N | 082 00 60 W |
| Pratts Run | Stream | | Monroe | 39 43 28 N | 081 00 41 W |
| Prattsville | Populated Place | 241 | Vinton | 39 14 19 N | 082 23 29 W |
| Prattsville Cemetery | Cemetery | 238 | Vinton | 39 14 17 N | 082 23 25 W |
| Pravo | Populated Place | 247 | Jefferson | 40 31 09 N | 080 49 57 W |
| Pravo Post Office (historical) | Post Office | 260 | Jefferson | 40 31 10 N | 080 49 59 W |
| Pray Park | Park | 194 | Lucas | 41 29 58 N | 083 43 15 W |
| Prayer Garden Church of God in Christ | Church | 283 | Montgomery | 39 44 52 N | 084 15 54 W |
| Prayer of Faith Worship Center | Church | 228 | Franklin | 39 53 25 N | 082 58 07 W |
| Prayer Temple Church (historical) | Church | 340 | Columbiana | 40 37 50 N | 080 34 26 W |
| Prayer Tower | Church | 285 | Mahoning | 41 05 37 N | 080 39 13 W |
| Praying Church of God | Church | 232 | Montgomery | 39 45 12 N | 084 13 42 W |
| Preacher Daveys Graveyard | Cemetery | 340 | Delaware | 40 19 32 N | 082 46 52 W |
| Preble County | Civil | 317 | Preble | 39 45 01 N | 084 38 00 W |
| Preble County Courthouse | Building | 317 | Preble | 39 44 37 N | 084 38 09 W |
| Preble County Fairgrounds | Locale | 312 | Preble | 39 44 15 N | 084 37 28 W |
| Preble County Home (historical) | Building | 320 | Preble | 39 45 34 N | 084 38 50 W |
| Precious Blood Cemetery | Cemetery | 284 | Mercer | 40 26 35 N | 084 29 22 W |
| Precious Blood Childrens Home | Building | 284 | Montgomery | 39 48 46 N | 084 16 17 W |
| Precious Blood Convent | Church | 284 | Montgomery | 39 48 45 N | 084 16 17 W |
| Precious Blood School | School | 283 | Montgomery | 39 48 59 N | 084 16 19 W |
| Prentice (historical) | Populated Place | 187 | Wood | 41 36 57 N | 083 31 22 W |
| Prentice Hall | Building | 359 | Portage | 41 09 03 N | 081 20 34 W |
| Prentice Park | Park | 186 | Lucas | 41 38 18 N | 083 31 12 W |
| Prentiss | Populated Place | 225 | Putnam | 41 09 09 N | 084 01 06 W |
| Prentiss Park | Park | 298 | Summit | 41 02 51 N | 081 34 03 W |
| Prentiss Post Office (historical) | Post Office | 225 | Putnam | 41 09 10 N | 084 01 05 W |
| Presbyterian Cemetery | Cemetery | 294 | Brown | 38 56 01 N | 083 49 51 W |
| Presbyterian Cemetery | Cemetery | 266 | Brown | 38 47 48 N | 083 47 44 W |
| Presbyterian Cemetery | Cemetery | 248 | Coshocton | 40 12 18 N | 082 01 14 W |
| Presbyterian Cemetery | Cemetery | 277 | Fairfield | 39 52 04 N | 082 30 30 W |
| Presbyterian Cemetery | Cemetery | 341 | Highland | 39 08 17 N | 083 40 18 W |
| Presbyterian Cemetery | Cemetery | 315 | Highland | 39 09 04 N | 083 28 52 W |
| Presbyterian Cemetery | Cemetery | 369 | Holmes | 40 35 43 N | 082 06 26 W |
| Presbyterian Cemetery | Cemetery | 301 | Perry | 39 39 29 N | 082 07 12 W |
| Presbyterian Cemetery | Cemetery | 235 | Pickaway | 39 45 39 N | 083 03 02 W |
| Presbyterian Cemetery | Cemetery | 336 | Richland | 40 55 55 N | 082 32 13 W |
| Presbyterian Cemetery | Cemetery | 291 | Trumbull | 41 17 28 N | 080 50 55 W |
| Presbyterian Cemetery (historical) | Cemetery | 210 | Defiance | 41 16 59 N | 084 21 34 W |
| Presbyterian Church of Deshler | Church | 216 | Henry | 41 12 32 N | 083 54 06 W |
| Presbyterian Church of Morrow | Church | 196 | Warren | 39 21 11 N | 084 07 59 W |
| Presbyterian Hospital (historical) | Hospital | 166 | Hamilton | 39 06 05 N | 084 31 17 W |
| Prescott Avenue United Brethren in Christ Church | Church | 250 | Montgomery | 39 47 10 N | 084 15 34 W |
| President Drive Church of Christ | Church | 250 | Hamilton | 39 09 06 N | 084 33 43 W |
| Presidential Square Shopping Center | Locale | 320 | Mahoning | 41 01 24 N | 080 38 28 W |
| Presidents Hall | Building | | Hamilton | 39 06 51 N | 084 33 14 W |
| Presque Isle | Island | 177 | Lucas | 41 41 42 N | 083 27 24 W |
| Presque Isle (historical) | Populated Place | 193 | Lucas | 41 32 12 N | 083 42 44 W |
| Presque Isle Post Office (historical) | Post Office | 192 | Lucas | 41 32 10 N | 083 42 45 W |
| Presser Hall | Building | 263 | Butler | 39 30 14 N | 084 43 47 W |
| Presser Hall | Building | 293 | Hardin | 40 45 57 N | 083 49 31 W |
| Pressey Hall | Building | 238 | Franklin | 40 00 13 N | 083 02 17 W |
| Preston Addition | Populated Place | 223 | Scioto | 38 53 17 N | 082 57 39 W |
| Preston Cemetery | Cemetery | 311 | Hardin | 40 42 38 N | 083 49 22 W |
| Preston Elementary School | School | 342 | Summit | 41 07 29 N | 081 28 20 W |
| Preston Hollow | Valley | | Licking | 40 09 52 N | 082 27 47 W |
| Preston Island | Island | 204 | Defiance | 41 17 15 N | 084 20 15 W |