UISA
| Acronym | Definition |
|---|---|
| UISA | User Instruction Set Architecture |
| UISA | Undergraduate Indian Students Association (Case Western Reserve University; Cleveland, OH) |
| UISA | United Indian Student Alliance |
| UISA | Unemployment Insurance Savings Account |
| UISA | Undergraduate International Student Application |
| UISA | University of Iowa Student Association |
| UISA | University Investment Society Association (UK) |