| Acronym | Definition |
|---|
| APSS➣American Public School System |
| APSS➣Astrophysics and Space Science (Springer) |
| APSS➣Academic Programs and Student Services (various schools) |
| APSS➣Avaya Professional Sales Specialist |
| APSS➣Associated Professional Sleep Societies |
| APSS➣Association of Publishers for Special Sales (formerly Small Publishers Association of North America) |
| APSS➣Asylum Pre-Screening System (database) |
| APSS➣Association of Pre-Sacral Spine Surgeons |
| APSS➣Animal Product Safety Service (American Society for the Prevention of Cruelty to Animals) |
| APSS➣Airline Passengers for Safer Skies |
| APSS➣Aristo Parcel Shipping System |
| APSS➣Associate Professional Soil Scientist |
| APSS➣Austrian Payment System Services GmbH (Vienna, Austria) |
| APSS➣Automatic Protection Switching System |
| APSS➣Aviation Preservation Society of Scotland |
| APSS➣Avant-Projet Sommaire Simplifié (French: Simplified Preliminary Draft Summary) |
| APSS➣American Polled Shorthorn Society |
| APSS➣Automated Program Status System |
| APSS➣Automated Procurement System Software |
| APSS➣American Physiological Sleep Society |