| Acronym | Definition |
|---|
| ITIA | Istituto di Tecnologie Industriali e Automazione (Italian: institute of industrial technologies and automation, CNR/Italy) |
| ITIA | Irish Translators' and Interpreters' Association |
| ITIA | International Tungsten Industry Association |
| ITIA | International Trampoline Industry Association |
| ITIA | Institute for Theology, Imagination and the Arts (University of St Andrews/UK) |
| ITIA | Information Technology Infrastructure Architecture (US Navy) |
| ITIA | Illinois Tax Increment Association |
| ITIA | Information Technology Investment Account |
| ITIA | Institut des Techniques de l'Ingénieur pour l'Agriculture (French: Technical College for Agriculture Engineers, French Agricultural Chamber) |
| ITIA | IT & Internet Association, Lebanon |
| ITIA | Item Troop Installed or Authorized |