| Abbreviation | Definition |
|---|---|
| PINC | Permaculture Institute of Northern California |
| PINC | Psychoanalytic Institute of Northern California |
| PIND | Pakistan Institute of National Development |
| PIRP | Program on Information Resources Policy |
| PIS | Phuket International School (Quality Schools International) |
| PISA | Program For International Student Assessment |
| PISA | Programme For International Student Assessment |
| PIT | Pennsylvania Institute of Technology |
| PIT | Pepperdine Improv Troupe |
| PITC | Princeton Information Technology Center |
| PITE | Provincial Institute of Teachers Education |
| PITMA | Programa Industrial y Tecnológico Medioambiental |
| PITT | University of Pittsburgh |
| PIU | Pacific Islands University |
| PIU | Piedmont International University |
| PIU | Pioneer International University |
| PJA | Portland Jewish Academy |
| PJM | Pacific Journal Of Mathematics |
| PJMS | Policy Journalism and Media Studies |
| PJN | Peter J. Neumann |