APPU
| Acronym | Definition |
|---|---|
| APPU | Asian Pacific Postal Union |
| APPU | Asian-Pacific Parliamentarians' Union |
| APPU | Average Profit Per User |
| APPU | Academic Policy and Programs Unit (Queensland University of Technology; Australia) |
| APPU | Asosiasi Pengusaha Pembenihan Udang (Indonesian: Prawn Breeding Entrepreneur Association) |