Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Phillips Creek | Stream | | Butler | 39 23 13 N | 084 49 04 W |
| Phillips Elementary School | School | 187 | Washington | 39 24 56 N | 081 26 15 W |
| Phillips Fork | Stream | | Tuscarawas | 40 14 31 N | 081 22 38 W |
| Phillips Hall | Building | 269 | Butler | 39 30 18 N | 084 44 14 W |
| Phillips Hall | Building | 265 | Delaware | 40 17 47 N | 083 03 54 W |
| Phillips Hollow | Valley | | Jackson | 39 12 39 N | 082 44 06 W |
| Phillips Knob | Summit | 306 | Lawrence | 38 44 41 N | 082 35 46 W |
| Phillips Memorial Baptist Church | Church | 290 | Mahoning | 41 07 15 N | 080 37 30 W |
| Phillips Memorial Christian Methodist Episcopal Church | Church | 227 | Hamilton | 39 08 45 N | 084 29 47 W |
| Phillips Park | Park | 298 | Knox | 40 23 08 N | 082 28 13 W |
| Phillips School (historical) | School | 359 | Morrow | 40 27 40 N | 082 47 32 W |
| Phillips Temple Christian Methodist Episcopal Church | Church | 187 | Lucas | 41 39 12 N | 083 33 27 W |
| Phillips Temple Christian Methodist Episcopal Church | Church | 229 | Montgomery | 39 44 33 N | 084 13 43 W |
| Phillips-White Cemetery | Cemetery | 307 | Licking | 40 06 42 N | 082 29 09 W |
| Phillipsburg | Populated Place | 316 | Montgomery | 39 54 16 N | 084 24 06 W |
| Phillipsburg Airport | Airport | 312 | Montgomery | 39 54 48 N | 084 24 01 W |
| Phillipsburg Cemetery | Cemetery | 313 | Montgomery | 39 54 45 N | 084 23 51 W |
| Phillipsburg Christian Cemetery | Cemetery | 314 | Montgomery | 39 54 24 N | 084 24 08 W |
| Phillipsburg Elementary School | School | 315 | Montgomery | 39 54 15 N | 084 24 19 W |
| Phillipsburg Post Office | Post Office | 316 | Montgomery | 39 54 15 N | 084 24 05 W |
| Phillipsburg United Methodist Church | Church | 316 | Montgomery | 39 54 09 N | 084 24 02 W |
| Phillis Cemetery | Cemetery | 255 | Morgan | 39 39 12 N | 081 36 33 W |
| Philo | Populated Place | 224 | Muskingum | 39 51 40 N | 081 54 24 W |
| Philo Cemetery | Cemetery | 247 | Muskingum | 39 51 32 N | 081 54 47 W |
| Philo High School | School | 238 | Muskingum | 39 51 44 N | 081 54 43 W |
| Philo Intermediate School | School | 230 | Muskingum | 39 51 45 N | 081 54 37 W |
| Philo Post Office | Post Office | 218 | Muskingum | 39 51 40 N | 081 54 22 W |
| Philothea | Populated Place | 284 | Mercer | 40 27 02 N | 084 39 13 W |
| Philothea Post Office (historical) | Post Office | 285 | Mercer | 40 27 00 N | 084 39 15 W |
| Philothea Station (historical) | Locale | 285 | Mercer | 40 27 02 N | 084 38 37 W |
| Phinney School (historical) | School | 339 | Holmes | 40 34 41 N | 082 03 28 W |
| Phoenix Mills | Locale | 253 | Huron | 41 05 54 N | 082 39 41 W |
| Phoneton | Populated Place | 297 | Miami | 39 53 49 N | 084 08 07 W |
| Phoneton Post Office | Post Office | 297 | Miami | 39 53 49 N | 084 08 05 W |
| Phyle School (historical) | School | 270 | Auglaize | 40 32 26 N | 084 16 17 W |
| Phyllis Jacobson Kates Center for Human Services | Building | 354 | Ashland | 40 51 39 N | 082 19 11 W |
| Piatt Cemetery | Cemetery | 345 | Logan | 40 14 42 N | 083 43 39 W |
| Piatt Park | Park | 168 | Hamilton | 39 06 15 N | 084 30 55 W |
| Piatt School (historical) | School | 340 | Logan | 40 15 24 N | 083 43 02 W |
| Piccola (historical) | Populated Place | 178 | Ottawa | 41 31 08 N | 082 46 53 W |
| Piccolo Post Office (historical) | Post Office | 178 | Ottawa | 41 31 10 N | 082 46 55 W |
| Pickaway Country Club | Locale | 227 | Pickaway | 39 35 50 N | 082 54 26 W |
| Pickaway County | Civil | 212 | Pickaway | 39 39 00 N | 083 02 00 W |
| Pickaway County Childrens Home | Building | 273 | Pickaway | 39 37 09 N | 082 52 35 W |
| Pickaway County Courthouse | Building | 213 | Pickaway | 39 36 02 N | 082 56 47 W |
| Pickaway County Fairgrounds | Locale | 210 | Pickaway | 39 35 55 N | 082 55 36 W |
| Pickaway County Infirmary | Building | 278 | Pickaway | 39 37 06 N | 082 52 17 W |
| Pickaway County Law Library | Building | 213 | Pickaway | 39 36 02 N | 082 56 47 W |
| Pickaway County Memorial Airport | Airport | 204 | Pickaway | 39 30 57 N | 082 58 56 W |
| Pickaway Elementary School | School | 224 | Pickaway | 39 31 10 N | 082 55 60 W |
| Pickaway Plains | Flat | 198 | Pickaway | 39 32 30 N | 082 59 30 W |
| Pickaway Plains Commerical Park | Locale | 219 | Pickaway | 39 30 20 N | 082 58 09 W |
| Pickens Landing | Locale | 172 | Meigs | 38 56 04 N | 081 50 26 W |
| Pickens Run | Stream | | Hancock | 41 06 24 N | 083 52 08 W |
| Pickerel Creek | Stream | | Sandusky | 41 25 37 N | 082 57 18 W |
| Pickerel Creek Wildlife Area | Park | 176 | Sandusky | 41 24 58 N | 082 56 40 W |
| Pickering Hall | Building | 193 | Athens | 39 19 31 N | 082 05 41 W |
| Pickering Mine | Mine | 374 | Harrison | 40 16 48 N | 081 00 30 W |
| Pickerington | Populated Place | 255 | Fairfield | 39 53 03 N | 082 45 13 W |
| Pickerington Elementary School | School | 255 | Fairfield | 39 53 19 N | 082 46 34 W |
| Pickerington Freewill Baptist Church | Church | 253 | Fairfield | 39 52 58 N | 082 46 17 W |
| Pickerington High School | School | 259 | Fairfield | 39 52 54 N | 082 45 29 W |
| Pickerington High School | School | 258 | Licking | 39 53 19 N | 082 45 34 W |
| Pickerington Middle School | School | 266 | Fairfield | 39 53 10 N | 082 45 02 W |
| Pickerington Pond Wetlands Nature Preserve | Park | 238 | Fairfield | 39 52 53 N | 082 47 51 W |
| Pickerington Ponds Wetlands Wildlife Refuge Park | Park | 237 | Franklin | 39 53 02 N | 082 48 04 W |
| Pickerington Post Office | Post Office | 256 | Fairfield | 39 53 05 N | 082 45 15 W |
| Pickerington Square Shopping Center | Locale | 259 | Fairfield | 39 54 40 N | 082 46 43 W |
| Pickett Elementary School | School | 189 | Lucas | 41 38 48 N | 083 34 19 W |
| Pickett Hall | Building | 317 | Clinton | 39 26 30 N | 083 49 02 W |
| Pickett Run | Stream | | Highland | 39 11 50 N | 083 23 27 W |
| Pickinpaugh School (historical) | School | 318 | Noble | 39 44 11 N | 081 36 10 W |
| Pickrell Cemetery | Cemetery | 433 | Logan | 40 17 55 N | 083 39 02 W |
| Pickrelltown | Populated Place | 430 | Logan | 40 17 59 N | 083 39 37 W |
| Pickrelltown Cemetery | Cemetery | 427 | Logan | 40 18 01 N | 083 39 54 W |
| Pickrelltown Post Office (historical) | Post Office | 429 | Logan | 40 18 00 N | 083 39 35 W |
| Picnic Point | Summit | 332 | Scioto | 38 41 35 N | 083 07 44 W |
| Piedmont | Populated Place | 298 | Harrison | 40 11 18 N | 081 11 47 W |
| Piedmont Dam | Dam | 285 | Harrison | 40 11 23 N | 081 12 47 W |
| Piedmont Lake | Lake | 285 | Harrison | 40 11 23 N | 081 12 47 W |
| Piedmont Lake Marina | Locale | 283 | Belmont | 40 09 59 N | 081 13 32 W |
| Piedmont Post Office | Post Office | 283 | Harrison | 40 11 20 N | 081 11 49 W |
| Pierce (historical) | Populated Place | 219 | Muskingum | 39 53 37 N | 081 53 00 W |
| Pierce Cemetery | Cemetery | 245 | Athens | 39 19 19 N | 082 11 01 W |
| Pierce County Park | Park | 273 | Greene | 39 41 41 N | 083 57 30 W |
| Pierce Elementary School | School | 180 | Butler | 39 22 07 N | 084 33 42 W |
| Pierce Elementary School | School | 263 | Clermont | 39 01 38 N | 084 16 34 W |
| Pierce Field | Park | 221 | Franklin | 39 58 49 N | 083 01 59 W |
| Pierce Hollow | Valley | | Vinton | 39 09 15 N | 082 21 08 W |
| Pierce Run | Stream | | Vinton | 39 07 21 N | 082 22 18 W |
| Pierce School (historical) | School | 288 | Miami | 40 00 31 N | 084 17 44 W |
| Pierce School (historical) | School | 256 | Ross | 39 21 57 N | 083 10 54 W |
| Pierce Township Cemetery | Cemetery | 164 | Clermont | 39 00 38 N | 084 16 12 W |
| Pierce Township Hall | Building | 266 | Clermont | 39 01 41 N | 084 16 24 W |
| Pierpont | Populated Place | 303 | Ashtabula | 41 44 57 N | 080 34 06 W |
| Pierpont Centre Post Office (historical) | Post Office | 305 | Ashtabula | 41 44 55 N | 080 34 04 W |
| Pierpont Elementary School | School | 299 | Ashtabula | 41 45 16 N | 080 34 16 W |
| Pierson Creek | Stream | | Lake | 41 37 41 N | 081 18 54 W |
| Piersons Knob | Summit | 365 | Lake | 41 36 14 N | 081 19 14 W |
| Pietist Church | Church | 305 | Crawford | 40 55 17 N | 082 57 07 W |
| Pigeon Creek | Populated Place | 317 | Summit | 41 06 39 N | 081 40 22 W |
| Pigeon Creek | Stream | | Gallia | 38 41 37 N | 082 28 06 W |
| Pigeon Creek | Stream | | Jackson | 39 10 02 N | 082 45 55 W |
| Pigeon Creek | Stream | | Summit | 41 02 58 N | 081 36 00 W |
| Pigeon Creek | Stream | | Vinton | 39 12 31 N | 082 42 47 W |
| Pigeon Hollow Cemetery | Cemetery | 250 | Lawrence | 38 34 01 N | 082 41 49 W |
| Pigeon Knob | Summit | 250 | Gallia | 38 41 28 N | 082 28 06 W |
| Pigeon Ridge | Ridge | 391 | Carroll | 40 29 22 N | 080 56 55 W |
| Pigeon Run | Populated Place | 329 | Stark | 40 44 56 N | 081 34 22 W |
| Pigeon Run | Stream | | Allen | 40 48 44 N | 084 16 31 W |