TH

• Eth (ð), a letter used in Old English, Icelandic, Faroese and Elfdalian • Th (digraph), a digraph in the Roman alphabet • Pronunciation of English th aspects of this digraph in English • Voiced dental fricative , a type of consonantal sound in some languages • Voiceless dental fricative , a type of consonantal sound in some languages • Thai language (ISO 639 code), the national and official language of Thailand • Thorn (letter) (þ), a letter in Old Norse, Old English, Icelandic and related languages • "-th," the most common ordinal number suffix in English (in some style guides rendered th) ==Places==

• Thailand, a country located in Southeast Asia (ISO 3166 code as TH) • Thuringia, a state of Germany • Territory of Hawaii, formerly the Republic of Hawaii and prior to that the Kingdom of Hawaii • Terre Haute, Indiana ==Science and technology==

Biology and medicine • T helper cell Th, in the immune system • Terminologia Histologica, an international standard for nomenclature in cytology and histology • Thyroid hormones, in the endocrine system • Tyrosine hydroxylase, an enzyme Units of measurement • Thomson (unit) (Th) in mass spectrometry • Thermie (th), metric unit of heat energy equal to 1,000 kilocalories Other uses in science and technology • .th, the Internet country code top-level domain for Thailand • Thorium, symbol Th, a chemical element • Tianhe (space station module) • , HTML element for table header cell • Hold time (th) of a flip flop in electronics ==Groups, organizations, companies==

• Tommy Hilfiger, an apparel brand • Taiwan Historica, an academic institution in Nantou County, Taiwan • Technische Hochschule, a Technical University in German-speaking countries • Telegraph Herald, a newspaper in Dubuque, Iowa, USA, nickname • Tabung Haji, a Malaysian government-owned company • Tabung Haji Plantations • Thai Airways Company (former IATA airline designator TH) • Raya Airways, Malaysia (IATA airline designator TH) ==Other uses==

• Thursday, abbreviated Th • Th (album), a 1997 album by the Glenn Spearman–John Heward Group • TH Joias (born 1988), Brazilian jeweler and politician • Treasure Hunt, a designation used on the collectible Hot Wheels models ==See also==