PFX
| Acronym | Definition |
|---|---|
| PFX | Personal Information Exchange |
| PFX | Prefix |
| PFX | Powerflex (database file extension) |
| PFX | Pink Floyd Experience (band) |
| PFX | Purple Fluid Exchange (band) |
| PFX | Generic Police Term for Multi-Channel Packset Radio |
| PFX | Placed Found Exchanged (letterboxing count) |