| Acronym | Definition |
|---|
| FUP | Full Upright Position |
| FUP | Follow-Up |
| FUP | Firenze University Press (Italy) |
| FUP | Fair Use Policy |
| FUP | Fair Usage Policy |
| FUP | Firmware Update |
| FUP | Fonds Unique de Péréquation (French: Former Unique Equilization Fund) |
| FUP | Funktionsplan (German: Logic Diagram) |
| FUP | Front Underrun Protection (automotive device) |
| FUP | File Utility Program |
| FUP | Forming-Up Point |
| FUP | Freshman Urban Program (various colleges and universities) |
| FUP | Free Unit Packs |
| FUP | Fixed Unit Price |
| FUP | Free Use Permit |
| FUP | Frequently Used Program |
| FUP | Facility Utilization Plan |
| FUP | Fraction Unbound in Plasma (pharmacokinetics) |
| FUP | Full Up Power Pack |
| FUP | First Usage Phase |
| FUP | Follow-Up Post |