HT

HT or Ht stands for:
* Aeromist-Kharkiv, (IATA airline designator)
* Haiti (ISO 3166-1 alpha-2 country code, HT)
* Haitian Creole language (ISO 639 alpha-2, ht)
* Handheld transceiver, an alternate term for Walkie-talkie
* Handie-Talkie refers to Motorola portable radio transceiver products only
* Hankook Tire, a South Korean tire and auto parts company
* Hanshin Tigers (Japan), a Nippon Professional Baseball team
* Harris Teeter, a chain of upscale supermarkets based in Matthews, North Carolina, USA
* Hattrick, a browser-based computer/video game
* Hectotesla (hT), an SI unit of magnetic flux density
* Height (abbreviation ht.)
* Heim theory, a term used to describe a non-mainstream theory of gravitation and particle physics
* High tension, or high voltage electrical installations
* High-throughput, in computing, bioinformatics, or communication
* Hilary Term, the name of the Winter/Spring term at Oxford University
* Hindustan Times, north India's leading English (language) newspaper
* Hizb ut-Tahrir, an Islamic extremist organisation
* Horizontal Tab, used in the C0 control code set
* Hostage-taker
* Hot Topic, an American chain store aimed at teenagers and young adults
* How To, subject abbreviation for helpful 'How To' instructions
* Hrvatski Telekom, a Croatian telecom company
* HT, a Punk-rock band from Slovakia noted for their depressive lyrics and sometimes quite unpunkish instrumentations
* Hypertension (a.k.a. high blood pressure), a medical condition wherein the blood pressure is chronically elevated
* Hyper-threading, Intel's trademark for their implementation of the simultaneous multithreading technology on the Pentium 4 microarchitecture
* HyperTransport, a bidirectional serial/parallel high-bandwidth, low-latency computer bus
* HyperTrek nickname