| Acronym | Definition |
|---|
| AAPU | Attleboro Auxiliary Police Unit (Attleboro, MA, USA) |
| AAPU | airborne auxiliary power unit |
| AAPU | American Association of Pediatric Urology |
| AAPU | Alumni Association of Princeton University |
| AAPU | Alumni Association of Panjab University (India) |
| AAPU | alt.arts.poetry.urban (newsgroup) |
| AAPU | aree di attuazione puntuale urbana |
| AAPU | Application Assistance Payment Unit (California) |
| AAPU | Automotive Auxiliary Power Unit |
