| UASC | Ulverston Amateur Swimming Club 
| Others |
| UASC | Unaccompanied And Separated Children
| Others |
| UASC | Unaccompanied Asylum Seeking Child
| Others |
| UASC | Unaccompanied Asylum Seeking Children
| Others |
| UASC | Unaccompanied Asylum-Seeking Children
| Others |
| UASC | Underwater Archaeological Society of Chicago
| Others |
| UASC | Union of African Shippers Councils
| Others |
| UASC | United Anglers of Southern California
| Others |
| UASC | Universal Avionics Systems Corporation
| Others |
| UASC | University Academic Success Center
| Others |
| UASC | University Academic Support Centers
| Others |
| UASC | University Advising Services Center
| Others |
| UASC | University Archives and Special Collections
| Others |
| UASC | University Archives Special Collections
| Others |
| UASC | University Athletics and Sports Club
| Others |
| UASC | University of Applied Sciences Cologne
| Others |
| UASC | University of Auckland Snowsports club
| Others |
| UASC | Upper Arlington Swim Club
| Others |