| Acronym | Definition |
|---|
| IAI➣Infection And Immunity (journal) |
| IAI➣Istituto Affari Internazionali (Italian: Institute of International Affairs) |
| IAI➣Institute of International Affairs (Italy) |
| IAI➣Illinois Articulation Initiative (education) |
| IAI➣Institute of Art and Ideas (UK) |
| IAI➣International Association for Identification |
| IAI➣Institut für Angewandte Informatik |
| IAI➣Inter-American Institute for Global Change Research |
| IAI➣Israel Aerospace Industries Ltd. (est. 1953) |
| IAI➣Ibm Academic Initiative |
| IAI➣International Alliance for Interoperability |
| IAI➣International Arbitration Institute |
| IAI➣Ibero-American Institute (est. 1930) |
| IAI➣Israel Aircraft Industries, Ltd. |
| IAI➣Islamic Army in Iraq |
| IAI➣Independent Administrative Institution (Japan) |
| IAI➣Investment Advisors International |
| IAI➣Investment Advisers, Inc. |
| IAI➣International African Institute (UK) |
| IAI➣Immunity and Infection (American Society for Microbiology) |
| IAI➣Internet Activity Index |
| IAI➣Insurance Associates Incorporated (Newark, DE) |
| IAI➣Integrity Applications Incorporated |
| IAI➣Illinois Transferable General Education Core |
| IAI➣Integrated Alternative Investments, Ltd. (UK) |
| IAI➣Inco Alloys International |
| IAI➣Intraamniotic Infection |
| IAI➣IBM (International Business Machines Corporation) Academic Initiative (global educational program) |
| IAI➣Intra Abdominal Injury |
| IAI➣International Apple Institute |
| IAI➣Integration Action for Inclusion |
| IAI➣Israel Arms International, Inc. |
| IAI➣Inactive Aircraft Inventory |
| IAI➣Institute Al-Islam |
| IAI➣Installation Accident Investigation (US Army) |
| IAI➣Inventory Adjustment Increase |
| IAI➣IAM With Additional Information |