| Acronym | Definition |
|---|
| ITAN➣Information Technology Association of Nigeria |
| ITAN➣Impuesto Temporal a los Activos Netos (Spanish: Temporary Tax on Net Assets; Peru) |
| ITAN➣Iran Technology Analysts Network |
| ITAN➣InTheAirNet (aircraft technology supplier; Irvine, CA) |
| ITAN➣Independent Travel Agency Network (Bellevue, WA) |