| 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) |