AHST
| Acronym | Definition |
|---|---|
| AHST | Alaska-Hawaii Standard Time |
| AHST | Autologous Hematopoietic Stem Cell Transplantation |
| AHST | Anchor Handling Supply Tug (boats) |
| AHST | Advanced Human Support Technology (NASA) |
| AHST | Avoca-Hancock-Shelby-Tennant (school; Iowa) |
| AHST | Ancient History Special Topic (Macquarie University; Australia) |