English abbreviations from ittd to iud
- ITTD (Interim Tactical Terrain Data)
- ITTO (International Tropical Timber Organization)
- ITTS (Instrumentation, Targets, and Threat Simulator)
- ITU (International Telecommunication Union)
- ITU-D (International Telecommunication Union - Development Sector)
- ITU-R (International Telecommunication Union - Radio Communication Sector)
- ITU-T (International Telecommunication Union - Telecommunication Standardization Sector)
- ITU-TSS (International Telecommunications Union - Telecommunications Standardization Sector)
- ITV (Improved TOW Vehicle (US))
- ITVA (International Television Association)
- ITVA-DC (International Television Association, Washington, D. C. chapter)
- ITW (InTerview With)
- ITW/AA (Integrated Tactical Warning and Attack Assessment)
- ITWAA (Integrated Tactical Warning and Attack Assessment)
- ITWC (Ivy Tech State College)
- iu (Inuktitut language (ISO 639-1 code))
- IUATLD (International Union Against Tuberculosis and Lung Disease)
- IUB (Independent University, Bangladesh)
- IUBF (International United Black Fund)
- IUBFI (International United Black Fund, Inc.)
- IUC (Independent User Center)
- IUCG (Islamic University College, Ghana)
- IUCN (International Union for the Conservation of Nature and Natural Resources (World Conservation Union))
- IUD (Al Udeid Air Base)