WTIA
| Acronym | Definition |
|---|---|
| WTIA | Washington Technology Industry Association (Seattle, WA) |
| WTIA | Wireless Technology Industry Association |
| WTIA | Wireless Technology Industry Association (Hong Kong) |
| WTIA | Welding Technology Institute of Australia |
| WTIA | West Tennessee Industrial Association (Jackson, TN) |
| WTIA | Wealth Team International Association (home based entrepreneurs) |
| WTIA | Wine Tour International Association |