| USD(A) | Under Secretary of Defense for Acquisition 
| Others |
| USDA | Departamento de Agricultura de los Estados Unidos
| Others |
| USDA | U S Department of Agriculture
| Others |
| USDA | U.S. Department of Agriculture
| Others |
| USDA | Union Solidarity and Development Association
| Others |
| USDA | United Sabah Dusun Association
| Others |
| USDA | United Square Dancers of America
| Others |
| USDA | United State Department of Agriculture
| Others |
| USDA | United States Dental Association
| Others |
| USDA | United States Department of Agriculture
| Others |
| USDA | United States Despatch Agency
| Others |
| USDA | United States District Attorney
| Others |
| USDA | United States Division of Agriculture
| Others |
| USDA | United States Drug Association
| Others |
| USDA | Unites States Department of Agriculture
| Others |
| USDA | Unreliable Stocks Dodgy Acreage
| Others |
| USDA | Useless Students Demanding Attention
| Others |