| Acronym | Definition |
|---|
| IAB➣Internet Architecture Board |
| IAB➣Interactive Advertising Bureau |
| IAB➣Internet Advertising Bureau |
| IAB➣Internet Activities Board |
| IAB➣Institut für Arbeitsmarkt- und Berufsforschung (German: Federal Institute for Job Research) |
| IAB➣Institute of Arctic Biology (University of Alaska Fairbanks) |
| IAB➣International Accounting Bulletin (publication) |
| IAB➣Institute for Advanced Biosciences (Keio University; Japan) |
| IAB➣Impact Assessment Board (EU) |
| IAB➣I Am Bored |
| IAB➣Intra-Aortic Balloon (catheter) |
| IAB➣Intranet in a Box |
| IAB➣Interagency Board (Equipment Standardization and InterOperability) |
| IAB➣Industrial Advisory Board |
| IAB➣International Association of Book-Keepers |
| IAB➣Industrial Accident Board (various locations) |
| IAB➣Internal Affairs Bureau |
| IAB➣Irish Agrément Board (National Standards Authority of Ireland) |
| IAB➣Interagency Advisory Board |
| IAB➣Industrial Automation Business (various companies) |
| IAB➣McConnell AFB (Airport Code) |
| IAB➣Internet Advisory Board |
| IAB➣Instituto dos Arquitetos do Brasil (Brazil) |
| IAB➣I Am Back |
| IAB➣International Arrivals Building (airports) |
| IAB➣International Association of Bioethics |
| IAB➣Innovation Advisory Board |
| IAB➣Immigration Appeals Board |
| IAB➣International Association of Broadcasting |
| IAB➣Industry Advisory Body (Australia) |
| IAB➣Internet Advertising Board |
| IAB➣Iomega Automatic Backup (software) |
| IAB➣Indexed Annuity Bond (investment; Australia) |
| IAB➣Investment Approvals Board (UK MOD) |
| IAB➣Infantry Assault Bridge |
| IAB➣Island-Arc Basalt (earth science) |
| IAB➣Incentive Awards Board |
| IAB➣Individual Address Block |
| IAB➣Internet Audio Broadcasting (One-way audio option for webconferencing) |
| IAB➣Intake Air Bypass |
| IAB➣Interagency Airtanker Board (National Interagency Aviation Council) |
| IAB➣International Abstracting Board |
| IAB➣Information Assurance Bulletins |
| IAB➣Internetwork Architecture Board |
| IAB➣It's All Bollocks (UK slang) |