PJAC
| 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) |