| Acronym | Definition |
|---|
| IASA➣IETF Administrative Support Activity |
| IASA➣International Association of Sound and Audiovisual Archives (also seen as IASAA) |
| IASA➣International Association of Software Architects |
| IASA➣Improving America's Schools Act of 1994 |
| IASA➣International American Studies Association |
| IASA➣International Aviation Safety Assessment |
| IASA➣Idaho Association of School Administrators |
| IASA➣International Alliance for Sustainable Agriculture (Minneapolis, MN) |
| IASA➣Israel Arts and Science Academy (Jerusalem high school) |
| IASA➣Insurance Accounting & Systems Association, Inc. |
| IASA➣International Air Safety Association |
| IASA➣Insurance Accounting & Statistical Association |
| IASA➣Inter AS Anchor (3GPP) |
| IASA➣Integrated AUTODIN System Architecture |
| IASA➣Italian American Student Association (Ross University) |
| IASA➣International Astronautic and Space Administration (Farscape) |
| IASA➣Institute of Atomic Science in Agriculture (Netherlands) |
| IASA➣Indirectly Acting Sympathomimetic Amines |