| Acronym | Definition |
|---|
| TTIA➣Taiwan Taoyuan International Airport |
| TTIA➣Texas Travel Industry Association |
| TTIA➣Trinidad and Tobago Institute of Architects |
| TTIA➣Texas Turf Irrigation Association (Plano, TX) |
| TTIA➣Timber Trade Industrial Association (Australia) |
| TTIA➣Thailand Toy Industry Association (trade association) |
| TTIA➣Taipei Taoyuan International Airport |