| Acronym | Definition |
|---|
| HT | Height |
| HT | Home Theater |
| HT | High Tech |
| HT | High Temperature |
| HT | Hypertension (high blood pressure) |
| HT | Heat (real estate) |
| HT | Heat Transfer |
| HT | Haiti (ISO country code, top level domain) |
| HT | Hyper-Threading |
| HT | Heights (street type) |
| HT | Heat Treatment |
| HT | Hot Tub |
| HT | Hydroxytryptamine (serotonin) |
| HT | Heat Treated |
| HT | Hyper-Threading Technology (Intel) |
| HT | Hypertext |
| HT | Hormone Therapy |
| HT | Hot Topic (clothing retailer) |
| HT | Hyperthyroidism |
| HT | Human Trafficking |
| HT | High Tension (as in electric power transmission) |
| HT | High-Technology (1980s Cadillac engines) |
| HT | High Tensile |
| HT | Hydro-Test |
| HT | Hors Taxes (French: Excluding Taxes) |
| HT | Hyperthreading |
| HT | Hrvatski Telekom (Croatian Telecom) |
| HT | Hi There |
| HT | Hybrid Tea (type of rose) |
| HT | Height of Target |
| HT | Holding Tank |
| HT | Hardtail (bike suspension) |
| HT | Hattrick |
| HT | Heavy Trucks |
| HT | Home Teacher |
| HT | Hetian (China) |
| HT | Holding Time |
| HT | High Threshold |
| HT | Harris Teeter (grocery store) |
| HT | Hough Transform |
| HT | Hotan (China) |
| HT | Human Torch (comic) |
| HT | Home Teaching (LDS church) |
| HT | Horizontal Tab |
| HT | Hilly Terrain |
| HT | Happy Thanksgiving |
| HT | Head Tilt (stretching exercise) |
| HT | Hyperterminal |
| HT | Hat Tip |
| HT | Hyper-Transport (AMD) |
| HT | Hostile Takeover (gaming) |
| HT | Highland Terrace (Elementary School; Shoreline School District) |
| HT | Heat Therapy |
| HT | Hand Tucked (wire rope splice) |
| HT | Holiday Truths (UK) |
| HT | Hot Truck (Cornell University) |
| HT | Highway Transport (trucking company) |
| HT | Hybrid Theory (Linkin Park album) |
| HT | High Templar (Starcraft unit) |
| HT | Histology Technician |
| HT | Hammer Throw |
| HT | Helicopter Training Squadron |
| HT | Holland Tunnel (Jersey City / Lower Manhattan) |
| HT | Hosting Talk |
| HT | Hostile Territory |
| HT | Harriet Tubman |
| HT | Heavy Timber |
| HT | Human Transporter (Segway LLC) |
| HT | Horse Transport (WW I) |
| HT | Hydrothermally Treated |
| HT | Heads-Tails (possible outcome for flipping a coin twice) |
| HT | Hizb al-Tahrir (Islamist political party) |
| HT | Half-Tone |
| HT | Hired Transport |
| HT | Hanshin Tigers (Japanese professional baseball team) |
| HT | Handheld Transceiver (walkie-talkie) |
| HT | Hashimoto Thyroiditis |
| HT | Herding Tested |
| HT | Hand Timed (track and field) |
| HT | Hague Tribunal |
| HT | Handi-Talkie (two way radio) |
| HT | Harmonic Tuned |
| HT | Hand Talk (Radio) |
| HT | Halo Trust |
| HT | Hide Turtle (Hyper Logo Turtle graphics command) |
| HT | Hyperion Telecommunications, Inc. |
| HT | Harm Touch (gaming) |
| HT | Highty-Tighty (Regimental Band of the Virginia Tech Corps of Cadets) |
| HT | Hamilton Tigercats |
| HT | Hoc Tempore (Latin: At This Time) |
| HT | Heavy Terminal |
| HT | Tritiated Hydrogen Gas |
| HT | Humanoid Typhoon (Anime title Trigun) |
| HT | Hypothermally Treated (EPA) |
| HT | Hirohiigo Togashi (gaming) |
| HT | Hordes of the Things (TV show) |
| HT | Transmitter Height |
| HT | Halt Typing (terminal command) |
| HT | Hybrid Trunk |
| HT | Halotracks (Halo gaming clan) |
| HT | Hindutsan Times |
| HT | Hardtastic (gaming clan) |
| HT | High Tension Tank (electron microscopy) |
| HT | Hovedstadens Trafikselskab (Danish for the Capital's Traffic Organisation (Bus System)) |
| HT | Hypotropia At Distance (ophthalmology) |
| HT | Hypertropia at Distance (ophthalmology; opposite of hypotropia) |
| HT | (USN Rating) Hull Maintenance Technician |