| 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) |