| Acronym | Definition |
|---|
| HTA | Health Technology Assessment |
| HTA | HTML Application |
| HTA | Hipertension Arterial (Spanish: Hypertension) |
| HTA | Hawaii Tourism Authority |
| HTA | Horticultural Trades Association (UK) |
| HTA | Chita (Russia) |
| HTA | Human Tissue Authority (UK) |
| HTA | Hochschule für Technik und Architektur |
| HTA | Highway Traffic Act (Ontario, Canada) |
| HTA | Home Technology Association |
| HTA | Hindu Temple of Atlanta (Atlanta, GA) |
| HTA | Hotel and Tourism Association (various locations) |
| HTA | Hierarchical Task Analysis (software design) |
| HTA | Hospitality and Tourism Association (various locations) |
| HTA | Heat Transfer Area |
| HTA | Human Trafficking Awareness |
| HTA | Help the Aged |
| HTA | History Teachers' Association |
| HTA | Hometown Association |
| HTA | Heavier Than Air |
| HTA | Handmade Tile Association (Minneapolis, MN) |
| HTA | Hawaii Transportation Association |
| HTA | Hindustan Thompson Associates |
| HTA | Home Technology Alliance (National Association of Home Builders) |
| HTA | High Temperature Accelerant |
| HTA | Held to Answer (law) |
| HTA | Hutchison Telecoms Australia |
| HTA | Helium Tank Assembly |
| HTA | High Temperature Alarm |
| HTA | Hardware Tree-based Routing Algorithm |
| HTA | Hysteroscopic Thermal Ablation (gynecology) |
| HTA | Hoof Trimmers Association, Inc. |
| HTA | High Threat Area |
| HTA | Humbolt Transit Authority (Eureka, CA, USA) |
| HTA | Hunter and Trappers Association |
| HTA | Host-Tenant Agreement |
| HTA | Helicopter Type Allowance |
| HTA | Holding-Time-Aware Algorithm |