AAST
| Acronym | Definition |
|---|---|
| AAST | American Association for the Surgery of Trauma |
| AAST | Arab Academy for Science and Technology |
| AAST | Academy for the Advancement of Science and Technology |
| AAST | All Arms Search Team (military training) |
| AAST | Advanced Air Surveillance Technician (AWACS surveillance position) |
| AAST | Regional Consultation Workshop for Advance Agricultural Science and Technology (Asian Development Bank; Manila, Philippines) |
| AAST | Anhui Association for Science and Technology (China) |