HTSA
| Acronym | Definition |
|---|---|
| HTSA | Home Theater Specialists of America (trade organization) |
| HTSA | Heat Treat System Assessment |
| HTSA | Host-Tenant Support Agreement |
| HTSA | Seaman Apprentice, Hull Maintenance Technician Striker (Naval Rating) |
| HTSA | High Throughput Screening Assay |
| HTSA | High-Temperature Solar Array |