| USCS | Unified Soil Classification System
| Others |
| USCS | United Speed Contest Sanction
| Others |
| USCS | United Sprint Car Series
| Others |
| USCS | United States Cancer Statistics
| Others |
| USCS | United States Code Service
| Others |
| USCS | United States Commercial Service
| Others |
| USCS | United States Counter Strike
| Others |
| USCS | United States CounterStrike
| Others |
| USCS | United States Cryptologic System
| Others |
| USCS | United States Customary System
| Others |
| USCS | United States Customs Service
| Others |
| USCS | Unites States Classification System
| Others |
| USCS | Universal Ship Cancellation Society
| Others |
| USCS | Universal Study Counselling Services
| Others |
| USCS | University of South Carolina Spartanburg
| Others |
| USCS | University of South Carolina Sumter
| Others |
| USCS | University School of Colorado Springs
| Others |
| USCS | US Charter Schools
| Others |