| Acronym | Definition |
|---|
| IACSA➣International Advanced Center for Space Applications (University of Florence; Campo, Italy) |
| IACSA➣Italian-American Community Services Agency (San Francisco, CA) |
| IACSA➣Institute of Administration and Commerce of Southern Africa (South Africa) |
| IACSA➣International Association of Christian School Administrators |
| IACSA➣Improved Ant Colony Search Algorithm |