IWTA
| Acronym | Definition |
|---|---|
| IWTA | International Water Technology Association |
| IWTA | International Wheelchair Tennis Association (International Tennis Federation advisory body) |
| IWTA | International Wireless Telecommunications Association |
| IWTA | International Wing Tsun Association (Kung Fu association) |
| IWTA | Interdivisional Work Transfer Agreement |
| IWTA | Inter Work Transfer Authorization(s) (Lockheed Martin) |