UASI
| Acronym | Definition |
|---|---|
| UASI | Urban Area Security Initiative |
| UASI | Urban Areas Security Initiative (US Department of Homeland Security Office for Domestic Preparedness) |
| UASI | United Audit Systems, Inc. (Cincinnati, OH) |
| UASI | United American Sales, Inc. (est. 1972; Wilmington, OH) |
| UASI | Upper-Air System Intercomparisons (World Meteorology Organization) |
| UASI | Unmanned Aerial System Innovations |
| UASI | United Air Specialists, Inc. (Cincinnati, OH) |