USOA
| Acronym | Definition |
|---|---|
| USOA | Uniform System of Accounts |
| USOA | United States of America (less common) |
| USOA | Underwater Society of America |
| USOA | United States Ombudsman Association (Johnston, IA) |
| USOA | United States Overseas Airlines |
| USOA | United States Othello Association |
| USOA | United States Olympic Academy (Colorado, CO) |