| Rank | Abbreviation | Meaning |
|---|
| ***** | USAS | UCREL Automated Semantic Analysis System
| |
| **** | USAS | United States A Standard
| |
| **** | USAS | Universal Self Assessment Scheme
| |
| **** | USAS | UCREL Semantic Analysis System
| |
| **** | USAS | Undergraduate Student Academic Services
| |
| **** | USAS | UNIVAC Standard Airline System
| |
| *** | USAS | Undercurrent Stabilizer Anchor System
| |
| *** | USAS | University of Saint Andrews School
| |
| *** | USAS | Ucak Servisi Anonim Sirketi
| |
| *** | USAS | Universitaires au Service de l'Afrique Subsaharienne
| |
| ** | USAS | Ujian Sertifikasi Akuntansi Syariah
| |
| * | USAS | United States Aquaculture Society
| |
| * | USAS | Uniform School Accounting System
| |
| * | USAS | United States of America Swimming
| |
| * | USAS | Unusually Sensitive Areas
| |
| * | USAS | University of Sussex Asian Society
| |
| * | USAS | Uniform Statewide Accounting System
| |
| * | USAS | United States Armed Services
| |
| * | USAS | United States Air Service
| |
| * | USAS | United Students Against Sweatshops
| |
| * | USAS | USA Shooting
| |
| * | USAS | United States Attorneys
| |
| * | USAS | United States Academy of Science
| |
| * | USAS | United States Army Ship
| |
| * | USAS | Universal Savings Accounts
| |