| APSS | ABIC (Army Battlefield Interface Concept) Program Support System 
| Others |
| APSS | Actionable Patient Safety Solutions
| Others |
| APSS | Active Pedestrian Safety System
| Others |
| APSS | Adoption Promotion and Support Services
| Others |
| APSS | Adult Psychiatric Support Services
| Others |
| APSS | Aids Programs South Saskatchewan
| Others |
| APSS | American Pro Surfing Series
| Others |
| APSS | Amplified Power Source Select
| Others |
| APSS | Animal Product Safety Service
| Others |
| APSS | Approved Profit Sharing Scheme
| Others |
| APSS | Asia Pacific Smart School
| Others |
| APSS | Asia Pacific Summer School
| Others |
| APSS | Asia Professional Speakers Singapore
| Others |
| APSS | Asian Pacific Student Services
| Others |
| APSS | Assessment of Procedural Surgical Skills
| Others |
| APSS | Associated Professional Sleep Societies
| Others |
| APSS | Associatied Professional Sleep Societies
| Others |
| APSS | Association of Political Science Students
| Others |
| APSS | Association of Publishers for Special Sales
| Others |
| APSS | AudioCodes Partner Solution Support
| Others |
| APSS | Australia Post Superannuation Scheme
| Others |
| APSS | Australian Poultry
| Others |
| APSS | Australian Poultry Science Symposium
| Others |
| APSS | Auto Program Search System
| Others |
| APSS | Automated Proactive Solution System
| Others |