IWTC
| Acronym | Definition |
|---|---|
| IWTC | International Women's Tribune Centre (New York, NY) |
| IWTC | Irish Web Technology Conference |
| IWTC | International Water Technology Conference |
| IWTC | Invacare World Team Cup (wheelchair tennis) |
| IWTC | International Workshop on Tropical Cyclones |
| IWTC | Industrial Water Treatment Consulting (Australia) |