| Acronym | Definition |
|---|
| PAU | Punjab Agricultural University (India) |
| PAU | Public Access Unix |
| PAU | Pamukkale University (Denizli,Turkey) |
| PAU | Proves d'accés a la Universitat (French: Pre-University Exams) |
| PAU | Politics as Usual |
| PAU | Pan American Union |
| PAU | Public Appointments Unit (UK) |
| PAU | Penetrating Atherosclerotic Ulcer |
| PAU | Passenger Analysis Unit (US Department of Homeland Security) |
| PAU | Pre Admission Unit |
| PAU | Pre-Assembled Unit |
| PAU | Plan de Actuación Urbana |
| PAU | Published Application Utility |
| PAU | Primary Air-handling Unit |
| PAU | Pilotless Aircraft Unit |
| PAU | Paramedic Assessment Unit |
| PAU | Primary Academic Unit |
| PAU | Power Amplification Unit |
| PAU | Peripheral Adapter Unit |