JAST
| Acronym | Definition |
|---|---|
| JAST | Joint Advanced Strike Technology |
| JAST | Journal of American Studies of Turkey |
| JAST | Joint Assistance Strategy for Tanzania (Embassy of Denmark; Tanzania) |
| JAST | Joint-Action Science and Technology (EU) |
| JAST | Japan America Society of Tucson (est. 1981; Tucson, AZ) |
| JAST | Japanese Association for the Surgery of Trauma |
| JAST | Joint Applications of Speech Technology |