IHST
| Acronym | Definition |
|---|---|
| IHST | International Helicopter Safety Team (Alexandria, VA) |
| IHST | Industrial Hygiene and Safety Technology, Inc. (various locations) |
| IHST | Institute of the History of Science and Technology (Russia) |
| IHST | Intentional Hand Steadiness Test |
| IHST | Institute of Homeland Security Training (St. Clair County Community College; Port Huron, MI) |