USCI
| 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) |