Look up yak in Wiktionary, the free dictionary.
A yak is a long-haired species of cattle. There are two types of yak:
- Domestic yak (Bos grunniens)
- Wild yak (Bos mutus)
Yak may also refer to:
- Yak (band), an English rock band
- YAK (cryptography) is a public-key authenticated key agreement protocol
- Yak (Thailand), a mythical ogre of the Yasha kind
- Yak (instrument), a type of flute
- "Yak", English game designer Jeff Minter
- "The Yak", Nigerian footballer Yakubu
- Yakovlev or Yak Aircraft Corporation, or numerous aircraft designed or manufactured by this company
- Rheinmetall MAN Military Vehicles YAK, an armoured transport vehicle
- Yak-B 12.7mm machine gun, a Russian .50 caliber four-barrel gatling gun
- Yak Peak, a mountain in British Columbia, Canada
- A member of a yakuza organization
- IATA airport code for Yakutat Airport in Yakutat, Alaska