| Acronym | Definition |
|---|
| UMI | University Microfilms International |
| UMI | University Medical Imaging (various locations) |
| UMI | Unified Media Interface (Advanced Micro Devices, Inc.) |
| UMI | United States Minor Outlying Islands (ISO Country code) |
| UMI | Universal Mediation Interface |
| UMI | University of Miami |
| UMI | United Media Incorporated |
| UMI | Uganda Management Institute (est. 1968) |
| UMI | Universal Management Infrastructure (IBM) |
| UMI | Unidos por un Mismo Idioma (Spanish: United by a Common Language) |
| UMI | Universal Music International (London, England, UK) |
| UMI | User-Machine Interface |
| UMI | Union Mathématique Internationale |
| UMI | Urine Monitoring Investigation (US NASA) |
| UMI | Ube Material Industries (Japan) |
| UMI | United Microsystems, Inc. (California) |
| UMI | Utility Management Infrastructure (IBM) |
| UMI | Unique Member Identifier |
| UMI | Underway Material Inspection |
| UMI | Unit Movement Identifier |