| Acronym | Definition |
|---|
| TCCA➣Trichloroisocyanuric Acid |
| TCCA➣Transport Canada Civil Aviation |
| TCCA➣Tillamook County Creamery Association (Tillmaook, Oregon) |
| TCCA➣Texas Court of Criminal Appeals |
| TCCA➣Transitional Cell Carcinoma |
| TCCA➣Technical Committee on Computer Architecture |
| TCCA➣The Church Christian Academy (Sutersville, PA) |
| TCCA➣Toronto City Center Airport (Canada) |
| TCCA➣Time-Critical Communication Architecture |
| TCCA➣Taurus Car Club of America |
| TCCA➣Tai Chi Culture Association (California) |
| TCCA➣Texas Corriente Cattle Association (est. 1991) |
| TCCA➣Toy Car Collectors Association |
| TCCA➣Telephone Card Collectors Association |
| TCCA➣Theater Communications Command - Army |
| TCCA➣Traditional Combatant Commander Activities |
| TCCA➣Tri-County Contracting Association (Michigan) |