| Acronym | Definition |
|---|
| HST➣Hawaiian Standard Time (GMT-1030) |
| HST➣Health Sciences and Technology |
| HST➣Harmonized Sales Tax (Canada) |
| HST➣Hubble Space Telescope |
| HST➣Health Systems Trust |
| HST➣Harry S. Truman |
| HST➣High School Transcript (education) |
| HST➣Hunter S. Thompson (writer) |
| HST➣Hastings |
| HST➣High Speed Train |
| HST➣Hoist |
| HST➣Hawaiian Standard Time |
| HST➣Hosting |
| HST➣History Host |
| HST➣Hydrostatic Transmission |
| HST➣Hegemonic Stability Theory (international relations) |
| HST➣Highland School of Technology (Gastonia, NC) |
| HST➣Heat Shrink Tubing |
| HST➣Home Sleep Testing |
| HST➣High-Speed Technology (Modem) |
| HST➣High Speed Technology |
| HST➣Health Services Team (various locations) |
| HST➣Humane Society of Tulsa (Tulsa, OK) |
| HST➣Human Services Today (journal) |
| HST➣Henkilön Sähköinen Tunnistaminen |
| HST➣Higher Surgical Training (medical) |
| HST➣Helicopter Support Team |
| HST➣Heat Soak Test (treatment to convert Nickel Sulphide in tempered glass) |
| HST➣Health and Safety Technician |
| HST➣History/Host (File Name Extension) |
| HST➣Hypersonic Transport |
| HST➣Henkel Surface Technologies (India) |
| HST➣Half Season Ticket (football games; UK) |
| HST➣History Speaks Today |
| HST➣Human Subjects Training (clinical studies) |
| HST➣Hippo Site Toolkit |
| HST➣Haggard School of Theology (Azusa Pacific University; California) |
| HST➣Home-Station Training |
| HST➣High Starting Torque (expansion valve) |
| HST➣Horse Shoe Tear (eye injury) |
| HST➣Hostile Sub-Terrestrial (Buffy the Vampire Slayer) |
| HST➣High Score Table |
| HST➣Healthy School Team |
| HST➣High Pressure Sodium-Tubular |
| HST➣Hypertropy Specific Training (bodybuilding method) |
| HST➣Hazardous Substance Tax |
| HST➣Hubbard-Stratonovich Transformation |
| HST➣Hoyt's Sector Theory |
| HST➣Hybrid Silica Technologies, Inc. (Ithaca, NY) |