| Acronym | Definition |
|---|
| IUA➣International Underwriting Association of London (formerly London International Insurance and Reinsurance Market Association; UK) |
| IUA➣Irish Universities Association |
| IUA➣Isdn User Adaptation |
| IUA➣International Underwriting Association |
| IUA➣ISDN Q-921-User Adaptation Layer |
| IUA➣International Union of Architects |
| IUA➣Instituto Universitario Aeronáutico (Argentina Air Force University) |
| IUA➣International University Audentes (Estonia) |
| IUA➣Intra-Uterine Adhesion (reproduction) |
| IUA➣Integrated Unit of Analysis (South Africa) |
| IUA➣Instrument Unit Avionics (various organizations) |
| IUA➣International University of Africa (Sudan) |
| IUA➣Internet Use Agreement (education) |
| IUA➣Ingres Users Association (various locations) |
| IUA➣International Union of Academies |
| IUA➣Image Understanding Architecture |
| IUA➣Individual User Authentication (Cisco) |
| IUA➣Individual Unemployment Account |
| IUA➣Institut Universitari de l'Audivisual |
| IUA➣ISSE User Agent |