TTIA
| 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 |