| Acronym | Definition |
|---|
| PFU | Pressens Faglige Utvalg (Norwegian: Press Complaints Commission) |
| PFU | Pink Fluffy Unicorn |
| PFU | Print Format Utility |
| PFU | Plaque Forming Unit |
| PFU | Pyrococcus Furiosus |
| PFU | Partner Firmware Update (Hewlett-Packard) |
| PFU | Private Finance Unit (UK) |
| PFU | Programmable Function Unit |
| PFU | Physical Fitness Uniform |
| PFU | Particle Flux Unit |
| PFU | Plan de Formation de l'Unité (French: Training Plan of Unity) |
| PFU | Proto-Fenno-Ugric (linguistics) |
| PFU | Plan For Use |
| PFU | Parts Followup |
| PFU | Proto-Flight Unit |
| PFU | Probability of Frame Unavailability |
| PFU | Pretty Fouled Up (polite form) |
| PFU | Position Fix Update (GPS) |
| PFU | Paging File Utilization (Norton System Doctor Win2000) |