| Abbreviation | Definition |
|---|---|
| PIM | Peronal Information Manager |
| PIM | Personal Information Manager |
| PIM | Projective Indecomposable Module |
| PIMP | Personalised Infotainment Management Program |
| PIMP | Prometheus Internet Mail Program |
| PIN | Project Identification Number |
| PINE | Pine Is Nolonger Elm |
| PINE | Pine Is Not Elm |
| PINF | PHP Integrated Network Framework |
| PINK | Pink Is Not Kuip |
| PINK | Purity Integrity Nobility And Kindness |
| PIO | Past Inputs and Outputs |
| PIP | Partner Interface Process |
| PIP | Picture In a Picture |
| PIP | Programmable InPut |
| PIPE | Product Introduction Process Enabler |
| PIPE | Python Interactive Process Enabler |
| PIPLS | Peer Interaction Programming Learning System |
| PIQ | Parka Interface for Queries |
| PIS | Privacy Invasive Software |