Tun
# Tun

TUN or tun may refer to:

## Biology

* Tun shells, large sea snails of the family Tonnidae
* Tun, a tardigrade in its cryptobiotic state
* Tun or Toon, common name for trees of the genus Toona

## Places

* Tun, Sweden, a locality in Västra Götaland County
* Tūn or Toon, the former name of Ferdows, a city in Iran
* Touro University Nevada, a private university in Henderson, Nevada, United States
* Tunisia, ISO 3166-1 alpha-3 country code
* Tunis–Carthage International Airport, (IATA airport code: TUN)
* Old English meaning town. Often used as a suffix in its Romanised form (~ton) e.g.: Southampton

## Measurement and time

* Tun (Maya calendar), a unit of 360 days on the Maya calendar
* Tun (unit), an antiquated measurement of liquid

## Science and technology

* TUN/TAP, a computer network device driver
* TUN (product standard), Danish building materials numbering system

## Other uses

* Brilliance Tun, a 2014–2015 Chinese city car
* Tun, an honorific Malay title
* Tun, a type of cask (barrel) with a capacity of 252 wine gallons (954 litres)
   * Lauter tun, a vessel used in brewing
   * Mash tun, a vessel used in brewing
