| Pipata | Puff of smoke |
| pipeline | pipeline |
| Pipeline grafica | Graphics pipeline |
| Piper Aircraft | Piper Aircraft |
| Piper Halliwell | Piper Halliwell |
| Piper Laurie | Piper Laurie |
| Piper nigrum | Black pepper |
| Piper Perabo | Piper Perabo |
| Piperonale | Piperonal |
| pipetta | pipette |
| pipino | willy |
| Pipino di Herstal | Pepin of Herstal |
| Pipino di Landen | Pepin of Landen |
| Pipino I di Aquitania | Pepin I of Aquitaine |
| Pipino II di Aquitania | Pepin II of Aquitaine |
| Pipino il Breve | Pepin the Short |
| pipistrello | bat |
| Pipistrellus pipistrellus | Common Pipistrelle |
| pipita | hangnail |
| Pippi Calzelunghe | Pippi Longstocking |
| Pippo | Goofy |
| Piquet | Piqué |
| PIR | Pierus |
| pira | pyre |
| Pira Ardente | Sunpyre |
| piralene | pyralene |
| piramidale | pyramidal |
| piramide | pyramid |
| Piramide Cestia | Pyramid of Cestius |
| Piramide di Cheope | Great Pyramid of Giza |
| Piramide di Cholula | Great Pyramid of Cholula |
| Piramide di paura | Young Sherlock Holmes |
| Piramide di Tokio | Shimizu Mega-City Pyramid |
| Piramidi di Guimar | Pyramids of Güímar |
