PFIS
| Acronym | Definition |
|---|---|
| PFIS | Prime Focus Imaging Spectrograph (now Robert Stobie Spectrograph) |
| PFIS | Philosophical Foundations of Information Systems |
| PFIS | Passenger Flight Information System |
| PFIS | Poverty Focused Investment Strategy (Pakistan) |
| PFIS | Plant Floor Information System |
| PFIS | Polanoid Front for Instant Satisfaction |