| Acronym | Definition |
|---|
| PU | Pickup (truck) |
| PU | Purchase |
| PU | Polyurethane |
| PU | Guinea-Bissau |
| PU | Pick Up (oil drilling) |
| PU | Princeton University |
| PU | Plutonium |
| PU | Punjab University (Lahore, Pakistan) |
| PU | Power Up |
| PU | Per Unit |
| PU | Purdue University |
| PU | Panjab University (Chandigarh, India) |
| PU | Processing Unit |
| PU | Physical Unit (IBM) |
| PU | Power Unit |
| PU | Professeur d'Université (French: University Professor) |
| PU | University of the Punjab (Lahore, Pakistan) |
| PU | Public Utility |
| PU | Product Update |
| PU | Power Unlimited (Dutch gaming magazine) |
| PU | Push Up |
| PU | Peking University |
| PU | Pressure Ulcer |
| PU | Pacific University |
| PU | Première Urgence |
| PU | Pula, Croatia (license plate) |
| PU | Philadelphia Union (soccer team; Pennsylvania) |
| PU | Polyuria |
| PU | Pen Up (Hyper Logo Turtle graphics command) |
| PU | Program Unit |
| PU | Partido Unionista (Guatemala, political party) |
| PU | Performance Unit |
| PU | Phillips University (Enid, Oklahoma) |
| PU | Pass Urine |
| PU | Public Urination (law enforcement) |
| PU | Printer Unit |
| PU | Packaged Unit |
| PU | Proto-Uralic (linguistics) |
| PU | Purbanchal University (Nepal) |
| PU | Parental Unit |
| PU | Prototype Unit |
| PU | Process Utility |
| PU | Perineal Urethrostomy |
| PU | Participating Unit |
| PU | Prescribing Unit |
| PU | Pricing Unit (airfare construction) |
| PU | Processor Utilisation |
| PU | Propellant Utilization |
| PU | Pig Urine |
| PU | Pedophiles United |
| PU | Pluna Lineas Aereas Urugauyas (Uruguay, IATA airline code) |
| PU | Processor Utility |
| PU | [not an acronym] Ugly, Noxious, Shocking, Smelly, or Odious |