| Acronym | Definition |
|---|
| TRCA➣Toronto and Region Conservation Authority |
| TRCA➣Trademark Remedy Clarification Act |
| TRCA➣Terminal Radar Control Area (FAA) |
| TRCA➣Teddy Roosevelt Conservation Alliance |
| TRCA➣Three Rivers Community Action, Inc. (est. 1966; various locations; Minnesota) |
| TRCA➣Technology Resource Center of America, LLC (Denton, TX) |