| Abbreviation | Definition |
|---|---|
| IAHPC | International Association for Hospice and Palliative Care |
| IAHS | International Association of Hydrological Sciences |
| IAI | International Association for Identification |
| IAIB | International Association of Investment Bankers |
| IAIE | International Association for Intelligence Education |
| IAIM | International Association of Infant Massage |
| IAIS | International Association Of Inflammation Societies |
| IAIS | International Association Of Insurance Supervisors |
| IAJE | International Antique Jewelry Exchange |
| IAJE | International Association For Jazz Education |
| IAJE | International Association Of Jazz Education |
| IAJE | International Association Of Jazz Educators |
| IALA | Interlake Adult Learning Association |
| IALA | International Association of Learning Alternatives |
| IALA | Iowa Association of Legal Assistants |
| IALD | International Association of Lighting Designers |
| IALM | International Association of Lighting Maintenance |
| IALU | International Association of Lassallian Universities |
| IALU | Iowa Association of Life Underwriters |
| IAM | Institute of Administrative Management (UK) |