HT

HT, Ht, hT, or ht may refer to:

Businesses and organisations

 * Hizb ut-Tahrir, an Islamic political organisation
 * Hrvatski Telekom, a Croatian telecom company
 * HaparandaTornio Bandy or HT Bandy, a Swedish-Finnish bandy club
 * HT Media, Indian news media company
 * Hindustan Times, newspaper owned by HT Media
 * The TA airline designator of several airlines
 * Aeromist-Kharkiv
 * Air Horizont
 * Tianjin Air Cargo

Medicine

 * Hematocrit, Ht, a blood test that measures the volume percentage of red blood cells

Electronics and computing

 * HT (vacuum tube), the high-tension power supply for vacuum tube circuits
 * Handie-Talkie, a Motorola portable radio transceiver
 * Handheld transceiver or walkie-talkie
 * Horizontal tab, a control character in several character sets
 * Hyper-threading (HT or HTT), Intel name for multithreading
 * HyperTransport, computer processor interconnection technology

Other uses in science and technology

 * Hectotesla (hT), an SI unit of magnetic flux density
 * HT, a type of sulfur mustard war gas

Other uses

 * Haiti (ISO 3166-1 alpha-2 country code)
 * .ht, Internet country code for Haiti
 * Haitian Creole language (ISO 639 alpha-2 code)
 * Hanshin Tigers (Japan), a Nippon Professional Baseball team
 * Hat tip, "HT", "H/T" or "h/t", one form of acknowledging online someone who brought something to the author's attention
 * Hull Maintenance Technician, abbreviated HT, a US Navy occupational rating