Tun

TUN or tun may refer to:

Science and technology

• TUN/TAP, a computer network device driver
• TUN (product standard), Danish building materials numbering system
• Tun (Maya calendar)
• Tun (unit), an antiquated measurement of liquid

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, in Västra Götaland County
• Tūn or Toon, the former name of Ferdows, a city in Iran
• Tunisia, ISO 3166-1 alpha-3 country code
• Tunis–Carthage International Airport, (IATA airport code: TUN)

Other uses

• Tun, an honorific Malay title
• Touro University Nevada, US
• 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
• Tun (volume), a historical measure of cargo capacity