IARS
| Acronym | Definition |
|---|---|
| IARS | International Anesthesia Research Society |
| IARS | International Association of Research Scholars |
| IARS | Iraqi Amateur Radio Society (Baghdad, Iraq) |
| IARS | International Association of Religious Studies |
| IARS | Integrated Airborne Reconnaissance Strategy |
| IARS | Image Archive & Retrieval System |
| IARS | Improved Aerial Refueling System |