| Abbreviation | Definition |
|---|---|
| AHT | Audio Hijack Timeshifter |
| AHT | Austria Haustechnik the |
| AHTR | Acute Hemolytic Transfusion Reaction |
| AHTR | Acute Hemolytic Transfusion Reactions |
| AHTR | Acute Hypotensive Transfusion Reaction |
| AHTR | Advanced High Temperature Reactor |
| AHTR | Alexis Has Taken Revenge |
| AHTS | Anchor Handling Tug Supply |
| AHTSS | Anchor Handling Tug Supply Safety |
| AHTT | A Heat Transfer Textbook |
| AHTT | Aberdeen Hindu Temple Trust |
| AHTT | Acute Home Treatment Team |
| AHTT | Anti human trafficking team |
| AHTU | Anti Human Trafficking Unit |
| AHTU | ANTI HUMAN TRAFFICKING UNITS |
| AHTY | All Hail The Yeti |
| AHU | Acute Hemolytic Uremic |
| AHU | Administrative Hearing Unit |
| AHU | Air Handling |
| AHU | Air Handling Units |