| Acronym | Definition |
|---|
| USCI➣United States Colored Infantry |
| USCI➣Unione Statistica Comuni Italiani (Italian: Italian Municipalities Statistics Union) |
| USCI➣University College Sedaya International |
| USCI➣United States Crude International (stock symbol; Redlands, CA) |
| USCI➣United States Computers, Incorporated |
| USCI➣United States Career Institute (Fort Collins, CO) |