| Acronym | Definition |
|---|
| IAIS➣International Association of Insurance Supervisors |
| IAIS➣Institute of Arab and Islamic Studies (University of Exeter; Exeter, Devon, UK) |
| IAIS➣Irish American Information Service |
| IAIS➣Inter-Agency Information Sharing |
| IAIS➣Improved Avionics Intermediate Shop |
| IAIS➣I Am I Said (Neil Diamond) |
| IAIS➣Iowa Interstate Railroad System |