UMSI
| Acronym | Definition |
|---|---|
| UMSI | University of Minnesota Supercomputing Institute |
| UMSI | United Merchant Services, Inc. (Hackensack, NJ) |
| UMSI | University of Michigan School of Information |
| UMSI | Utility Mapping Services, Inc. (subsurface utility engineering) |
| UMSI | Undergraduate to Medical School Initiative (Texas Tech University) |
| UMSI | UNCF (United Negro College Fund)/Merck Science Initiative (Fairfax, VA) |