| Acronym | Definition |
|---|
| TCIA➣Tree Care Industry Association (formerly National Arborist Association) |
| TCIA➣Tennessee Commission of Indian Affairs (Nashville, TN) |
| TCIA➣This Clan Is Awesome (gaming) |
| TCIA➣Transportation Concurrency Improvement Area |
| TCIA➣Target-Controlled Infusion of Alfentanil (analgesia) |
| TCIA➣Torque Converter Interrupt Actuator |