| Acronym | Definition |
|---|
| TREA | The Retired Enlisted Association |
| TREA | Thai Rice Exporters Association (Thailand) |
| TREA | Trojan Real Estate Association (University of Southern California) |
| TREA | Together to Reduce Elder Abuse (Canada) |
| TREA | Thames Region Ecological Association (London, Ontario, Canada) |
| TREA | The Rock Eternal Association (est. 2012) |
| TREA | Tax Relief Extension Act of 1999 |
| TREA | Texas Rural Education Association |
| TREA | Tenant Real Estate Advisors (Colorado Springs, CO) |
| TREA | Technical Report on Environmental Aspects |
| TREA | Translator Robot of Extreme Attractiveness (Bleach anime/manga series character) |
| TREA | Tartu Regional Energy Agency (Tartu, Estonia) |