| Pañchatantra | Panchatantra |
| Pačir | Pačir |
| Pašman | Pašman |
| PBCom Tower | PBCom Tower |
| PBY Catalina | PBY Catalina |
| PC | PC |
| PC speaker | PC speaker |
| PC-Engine GT | TurboExpress |
| Pcb | PCB |
| PCC | CPC |
| PCI | PCI |
| PCI Express | PCI Express |
| PCI-X | PCI-X |
| PCLinuxOS | PCLinuxOS |
| PCR | PCR |
| PCR en temps réel | Real-time polymerase chain reaction |
| PCR quantitative | Real-time polymerase chain reaction |
| PCRE | Perl Compatible Regular Expressions |
| PCX | PCX |
| PD | PD |
| PDG | CEO |
| PDW | Personal defense weapon |
| Pe | Punch |
| Pe avec crochet | Pe with middle hook |
| pe-tsaï | bok choy |
| Peace Cup | Peace Cup |
| Peace maker Kurogane | Peacemaker Kurogane |
| Peach | Princess Peach |
| Peach Girl | Peach Girl |
| PEAR | PHP Extension and Application Repository |
| Pearl | Pearl |
| Pearl Drums | Pearl Drums |
| Pearl Harbor | Pearl Harbor |
| Pearl Jam | Pearl Jam |
| Pearson | Pearson PLC |
| peau | peel |
| peau d'agneau | lambskin |
| peau de banane | banana skin |
| peau de chamois | chamois |
| peau de chèvre | goatskin |
| peau de daim | deerskin |
| peau de lapin | coney |
| peau de mouton | sheepskin |
| peau de phoque | sealskin |
| peau de porc | pigskin |
