| Acronym | Definition |
|---|
| IAST➣Initiative Against Sexual Trafficking |
| IAST➣Institute of Applied Science and Technology (Guyana) |
| IAST➣Ideal Adsorbed Solution Theory |
| IAST➣International Alphabet of Sanskrit Transliteration |
| IAST➣Institute of Agrarian Studies |
| IAST➣Inappropriate Sinus Tachycardia |
| IAST➣Inhalation Allergy Screen Test |
| IAST➣International Association for Strategic Thought |