AUSI
| Acronym | Definition |
|---|---|
| AUSI | Autonomous Undersea Systems Institute |
| AUSI | American Union Securities, Inc. (New York, NY) |
| AUSI | Associated Underwater Scuba Instructors (aka Australian Underwater Scuba Instructors Pty. Ltd.) |
| AUSI | Anatomical Urinary Stress Incontinence (gynecology) |