| Term | Full Form | Category |
|---|---|---|
| PCAS | Persistent Chemical Agent Simulant | Others |
| PCAS | Persistent Close Air Support | Others |
| PCAS | Planet-Crossing Asteroid Survey | Others |
| PCAS | Polytechnics Central Admissions System | Others |
| PCAS | Portable Collision Avoidance System | Others |
| PCAS | Presenter Command Argument And Selector | Others |
| PCAS | Primary Care Assessment Survey | Others |
| PCAS | Production Cost Accounting System | Others |