TIAC
| Acronym | Definition |
|---|---|
| TIAC | Tourism Industry Association of Canada |
| TIAC | The Internet Access Company |
| TIAC | This Is A Call (Foo Fighters song) |
| TIAC | Turbine Inlet Air Chilling (also known as Turbine Inlet Air Cooling; central cooling system) |
| TIAC | Technical Identification and Analysis Center |
| TIAC | Toda International Advisory Council (Toda Institute; Japan) |