| Acronym | Definition |
|---|
| IACT➣Imaging Air Cherenkov Telescopes (gamma-ray astronomy) |
| IACT➣Indiana Association of Cities and Towns |
| IACT➣International Association of Counselors and Therapists |
| IACT➣International Alliance for Compatible Technology |
| IACT➣International Association for Chemical Testing |
| IACT➣Idaho Association of County Treasurers |
| IACT➣International Association of Colon Therapy |
| IACT➣International Association for Colon Hydrotherapists |
| IACT➣InterActive Communication & Training |