TRCA
| 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) |