FUD
| Acronym | Definition |
|---|---|
| FUD | Fear, Uncertainty, & Doubt |
| FUD | Federal University, Dutse (Dutse, Nigeria) |
| FUD | Fair Use Doctrine (legal theory) |
| FUD | File Unix Decoder |
| FUD | Follow-Up Data (survey) |
| FUD | File Update |
| FUD | Female Urinary Device |
| FUD | Fedora Users and Developers (Fedora Linux) |
| FUD | Fully Undetected (crypter) |
| FUD | Fouled Up Disinformation (polite form) |
| FUD | Fire Unit Display |
| FUD | Field Use Designator |
| FUD | Flat Utterance Description |
| FUD | Full Unit Designation (US DoD) |
| FUD | First Unit Deployed |
| FUD | Fever of Undetermined Origin |