| Acronym | Definition |
|---|
| APTCA | Australian Paper Tiger Catamaran Association |
| APTCA | Associação Portuguesa dos Tripulantes de Cabine (Portuguese: Portuguese Association of Cabin Crews) |
| APTCA | Allow Partially Trusted Caller Attribute (Microsoft .NET) |
| APTCA | Australian Professional Tennis Coaches Association |
| APTCA | Accident Prevention and Trauma Care Association (India) |
| APTCA | Andhra Pradesh Tutorial and Convents Association (India) |
| APTCA | Anti-Prejudice Towards Chutney Act (Cambodia) |
| APTCA | Australian Program of Training Central Asia |