| AAPU | Alt.Arts.Poetry.Urban 
| Others |
| AAPU | Alumni Association of Panjab University
| Others |
| AAPU | Alumni Association Of Princeton University
| Others |
| AAPU | American Association of Pediatric Urologists
| Others |
| AAPU | American Association of Pediatric Urology
| Others |
| AAPU | Application Assistance Payment Unit
| Others |
| AAPU | Association of African Private Universities
| Others |
| AAPU | Association of Ambulance Professionals Uganda
| Others |
| AAPU | Attleboro Auxiliary Police Unit
| Others |
| AAPU | Australian Army Photographs Unit
| Others |
| AAPU | Automotive Auxiliary Power Unit
| Others |