| Acronym | Definition |
|---|
| PJAC➣Philadelphia Jewish Archives Center (Pennsylvania) |
| PJAC➣Prisoners Justice Action Committee (Canada) |
| PJAC➣Pinellas Juvenile Assessment Center (Florida) |
| PJAC➣Pulse Jet Air Cleaner (trademark of Donaldson Company, Inc.) |
| PJAC➣Philippine-Japan Active Carbon Corporation (est. 1972) |
| PJAC➣Pittsburgh Japanese Animation Club (University of Pittsburgh; Pittsburgh, PA) |