| 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) |