APOS
| Acronym | Definition |
|---|---|
| APOS | American Psychosocial Oncology Society |
| APOS | Action, Process, Object, Scheme (mathematics) |
| APOS | After Point of Sales |
| APOS | All Phases of Step Cycle (pain treatment system) |
| APOS | Acoustic Processor Operating Station |
| APOS | Asia-Pacific Optical Fiber Sensors (conference) |
| APOS | Austrian Positioning System |
| APOS | Advanced Process Oriented Steering |