USASA
| Acronym | Definition |
|---|---|
| USASA | United States Adult Soccer Association (Lawrence, IN) |
| USASA | United States of America Snowboard Association |
| USASA | United States Amateur Soccer Association |
| USASA | United States Australian Shepherd Association (American Kennel Club member) |
| USASA | United States Army Security Agency |
| USASA | University of South Australia Student Association |
| USASA | United States Aquaculture Suppliers Association |