| Acronym | Definition |
|---|
| PUI | Parc User Interface |
| PUI | Print User Interface |
| PUI | per User Install |
| PUI | Person under Investigation |
| PUI | Posting Under the Influence (usenet newsgroups) |
| PUI | Predominantly Undergraduate Institution |
| PUI | Plan d'Urgence Interne (French: Internal Emergency Plan) |
| PUI | Perceptual User Interface |
| PUI | Primarily Undergraduate Institution(s) |
| PUI | Pokemon USA Inc. (Bellevue, WA) |
| PUI | PARC User Interface (Ted Nelson) |
| PUI | Pilot Under Instruction |
| PUI | Patient Understands Instructions |
| PUI | Project Unique Identifier |
| PUI | Polyurethane Intermediate |
| PUI | Potentially Unwanted Installations (spyware) |
| PUI | Programmer-User Interface |
| PUI | Pack Up Items |