Tan or TAN may refer to:

Math

  • Tangent function, a trigonometric function often referred to as tan.

Arts and entertainment

  • Tan, a 1989 album by the Polish rock band Kult
  • "Tan", a 2026 song by the Scythe from the album Strictly 4 the Scythe
  • TAN (group), South Korean boy band
  • Tan (newspaper), a newspaper in Turkey
  • Tan (weekly newspaper), a newspaper in Kosovo

Businesses and organisations

  • TAN Books, a Catholic publishing company
  • FC Rubin-TAN Kazan, a Russian professional ice hockey club in Kazan in 1991-94
  • Transportes Aéreos Nacionales or TAN Airlines, an airline based in Honduras
  • Semitan or TAN, operates public transport in Nantes, France

People

  • Tan (surname) (譚), a Chinese surname
  • Chen (surname) (陳), a Chinese surname, pronounced "Tan" in Min Nan languages
  • Laozi, posthumous name "Tan" or "Dān" (聃), philosopher of ancient China
  • Leborgne, nicknamed Tan, a patient of Paul Broca's, on whose autopsy he identified Broca's area
  • Mika Tan (born 1977), an American model
  • TAN (musician) (born 1990), Malaysian pop singer
  • Tan Sağtürk (born 1969), Turkish ballet dancer
  • Tan France (born 1983), British-American fashion designer

Places

China

  • Tan (state), an ancient viscountcy in eastern Shandong Province, China
  • Tai'an railway station (Shandong), China Railway code TAN

Vietnam

  • Tân An, Bắc Giang, a northeastern commune and village
  • Tân An, the capital city of Long An Province, Mekong Delta
  • Tân An province, a former province of South Vietnam

Elsewhere

  • Tan Track or "The Tan", a running track in Royal Botanic Gardens, Melbourne, Australia
  • Tanzania (IOC and FIFA trigram: TAN), a country
  • Taunton Municipal Airport (IATA airport code: <code>TAN</code>), Massachusetts, US

Science and technology

  • Tan (color), a pale shade of brown
  • Tanning (leather), the process of making leather from hides
  • Tan (function), a trigonometric function
  • Ti-6Al-7Nb, a titanium alloy containing aluminum and niobium
  • Total acid number (TAN), the measure of a lubricant's or crude oil's acidity
  • Transaction authentication number (TAN), in electronic banking
  • Tumor-associated neutrophil

Biology

  • Tan (goat pattern), a goat color pattern
  • Tanbark or tan, the bark of certain species of tree
  • Sun tanning, the darkening of skin in response to ultraviolet light
  • Sunless tanning, the darkening of skin without ultraviolet light
  • Tropical ataxic neuropathy

Other uses

  • -tan, a Japanese honorific
  • Tahn (Armenian tʻan), a yoghurt-based drink from the Middle East
  • Tanfana or Tan, an ancient European goddess
  • Tax Deduction and Collection Account Number (TAN), an Indian tax code

See also

  • Black and Tans, a nickname for British special constables during the Irish War of Independence
  • Irish War of Independence, sometimes called the "Black and Tan war" or "Tan war"
  • Taan (disambiguation)
  • Dan (disambiguation) (Tan is the older romanization of Dan in Chinese)
  • Tannin (disambiguation)
  • Tanning (disambiguation)
  • TANS (disambiguation)
  • Tanzhou (disambiguation), a Chinese placename "Tan District" or "Tan City"