| APPS | Accelerator Pedal Position Sensor 
| Others |
| APPS | Active Pedestrian Plucking System
| Others |
| APPS | Active Pedestrian Protection System
| Others |
| APPS | Advanced Placement Power Scholars
| Others |
| APPS | African Partnerships for Patient Safety
| Others |
| APPS | American Para Professional Systems
| Others |
| APPS | Analytical Photogrammetric Position System
| Others |
| APPS | Analytical Photogrammetric Positioning System
| Others |
| APPS | Application Portability Profile Standards
| Others |
| APPS | Applications
| Others |
| APPS | Applications for Pride Purpose Success
| Others |
| APPS | Armed Prohibited Persons System
| Others |
| APPS | Australasian Plant Pathology Society
| Others |
| APPS | Australian Physiological and Pharmacological Society
| Others |
| APPS | Automated Package Processing System
| Others |
| APPS | Automated Publications Production System
| Others |
| APPS | Automated Purchasing and Payment System
| Others |
| APPS | Automatic Precise Positioning Service
| Others |
| APPS | Avenues of Practical Preparation for Service
| Others |