| Acronym | Definition |
|---|
| UIT➣Unión Internacional de Telecomunicaciones (Spanish: International Telecommunication Union) |
| UIT➣Unidades Impositivas Tributarias (Spanish: Tax Unit) |
| UIT➣Union Internationale des Télécommunications |
| UIT➣Urban Improvement Trust (India) |
| UIT➣Unit Investment Trust |
| UIT➣L´Université Internationale de Tunis (French: International University of Tunis; Tunis, Tunisia) |
| UIT➣Using Information Technology (textbook) |
| UIT➣United Internet Technologies |
| UIT➣Union des Industries Textiles (French: Textile Industries Union; France) |
| UIT➣University of Information Technology (US Army Signal School, Ft Gordon, GA, USA) |
| UIT➣União Internacional das Telecomunicações (Portugal) |
| UIT➣Ultraviolet Imaging Telescope |
| UIT➣Unique Item Tracking |
| UIT➣Union Internationale de Tir (International Shooting Union; now ISSF) |
| UIT➣Unit Integration Test (software assessment) |
| UIT➣Unione Internazionale delle aziende di Telecomunicazione |
| UIT➣Ultraviolet/Infrared Telescope |
| UIT➣Uncertainty in Illness Theory |
| UIT➣Unione Internazionale delle Telecomunicazione |