| Acronym | Definition |
|---|
| DUI | Driving Under the Influence |
| DUI | Dossier Unique Interactif (French: Unique Interactive Dossier) |
| DUI | Dial Up Internet |
| DUI | Declaració Unilateral d'Independència (Catalan: Unilateral Declaration of Independence) |
| DUI | Délégation aux Usages de l'Internet (French: Internet Usages Delegation) |
| DUI | Distributed User Interface |
| DUI | Diagrammatic User Interface |
| DUI | Data Under Interface |
| DUI | Digital User Interface |
| DUI | Democratic Union for Integration (The Former Yugolsav Republic of Macedonia) |
| DUI | Distinctive Unit Insignia (US Army) |
| DUI | Diving Unlimited International, Inc. |
| DUI | Davis Unified Ignition |
| DUI | Documento Unico de Identidad (Spanish) |
| DUI | Diplôme d'Université Interdisciplinaire (French: Interdisciplinary University Degree) |
| DUI | Dota Under the Influence (gaming clan) |
| DUI | Dynamic User Interface |
| DUI | Documento Único de Importación (Spanish) |
| DUI | Duke University Improv |
| DUI | Data Use Identifier |
| DUI | Dave's Unique Ink (Vancouver, WA tattoo studio) |