HTST
| Acronym | Definition |
|---|---|
| HTST | High Temperature Short Time |
| HTST | High-Temperature Short-Time Treatment |
| HTST | High Temperature Storage Test |
| HTST | Halifax Town Supporters Trust (UK) |
| HTST | Harmonic Transition State Theory |
| HTST | High Threat Survival Training |
| HTST | High-Throughput Screening Technique (biological analysis) |