| Acronym | Definition |
|---|
| APCS | Asia Pacific Cities Summit |
| APCS | Advanced Pre Crash System |
| APCS | Advanced Pre Collision System |
| APCS | Advanced Placement Computer Science |
| APCS | Alexandria Park Community School (Sydney, Australia) |
| APCS | Air Pollution Control System |
| APCS | Asia Pacific Computer Services |
| APCS | Academics Plus Charter School (Maumelle, AR) |
| APCS | Automated Project Control System (NASA) |
| APCS | Association pour la Promotion des Carrières Sanitaires (French: Association for the Promotion of Sanitation Careers) |
| APCS | Argonne Premium Coal Sample |
| APCS | Assembly for the Promotion of Civil Society (Cuba) |
| APCS | Association des Propriétaires de Challenger Scout (French boating association) |
| APCS | Approach Power Control Set |
| APCS | Aeronautical Production Control System |
| APCS | Advanced Passenger Control System (biometrics, airports, transportation) |
| APCS | Associaçao Portuguesa dos Chartered Surveyors (Portuguese: Portuguese Association of Chartered Surveyors) |