| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Piedmont | city | Cork | Ireland | 51.89 | -8.43 | 3 | 97966 |
| Piercetown | city | Cork | Ireland | 51.95 | -8.47 | 364 | 53122 |
| Piercetown | city | Wexford | Ireland | 52.28 | -6.48 | 104 | 13460 |
| Piercetown | city | Meath | Ireland | 53.69 | -6.90 | 255 | 8031 |
| Pierpoint | city | Cork | Ireland | 52.13 | -8.55 | 830 | 1468 |
| Piersons Bridge | city | Cork | Ireland | 51.74 | -9.42 | 164 | 1196 |
| Pigeonhill Cross Roads | city | Cork | Ireland | 51.96 | -8.29 | 830 | 3422 |
| Pigotstown | city | Meath | Ireland | 53.69 | -7.10 | 830 | 1078 |
| Pike | city | Ireland | 53.10 | -8.05 | 232 | 941 | |
| Pike | city | Roscommon | Ireland | 53.38 | -8.07 | 830 | 1350 |
| Pike Bridge | city | Kildare | Ireland | 53.38 | -6.56 | 223 | 26552 |
| Pike Cross Roads | city | Cork | Ireland | 51.72 | -8.86 | 249 | 1866 |
| Pike Cross Roads | city | Cork | Ireland | 51.61 | -8.98 | 249 | 2161 |
| Pike Cross Roads | city | Kerry | Ireland | 52.40 | -9.49 | 341 | 3942 |
| Pike of Rush Hall | city | Laois | Ireland | 52.95 | -7.55 | 410 | 1428 |
| Pilgrimhill | city | Kerry | Ireland | 52.44 | -9.35 | 354 | 1834 |
| Pillmore | city | Cork | Ireland | 51.92 | -7.89 | 0 | 7324 |
| Pilltown | city | Kilkenny | Ireland | 52.35 | -7.34 | 3 | 4812 |
| Pilltown | city | Cork | Ireland | 51.97 | -7.80 | 65 | 1853 |
| Piltown | city | Kilkenny | Ireland | 52.35 | -7.34 | 3 | 4812 |
| Pimlico | city | Laois | Ireland | 52.96 | -7.06 | 344 | 1942 |
| Pinker's Cross | city | Ireland | 52.41 | -8.37 | 830 | 2105 | |
| Pinker’s Cross | city | Ireland | 52.41 | -8.37 | 830 | 2105 | |
| Piquet's Cross Roads | city | Ireland | 52.32 | -7.38 | 347 | 6993 | |
| Piquet’s Cross Roads | city | Ireland | 52.32 | -7.38 | 347 | 6993 |