| Acronym | Definition |
|---|
| USCA➣University of South Carolina Aiken |
| USCA➣US Code Annotated (laws) |
| USCA➣United States Court of Appeals |
| USCA➣United States Curling Association |
| USCA➣United States Code Annotated |
| USCA➣United States Conference on AIDS |
| USCA➣United States Copyright Act |
| USCA➣United States Croquet Association |
| USCA➣United States Canoe Association |
| USCA➣University Students' Cooperative Association |
| USCA➣United Sidecar Association (motorcyclists) |
| USCA➣Union Sindical de Controladores Aereos (Spanish: Air Traffic Controllers Labor Union; Spain) |
| USCA➣United States Contractors Association |
| USCA➣US Canola Association |
| USCA➣Ultrasound Contrast Agent (imaging) |
| USCA➣United States Cavalry Association |
| USCA➣United States Carrom Association |
| USCA➣United States Champion Association |