Yak (disambiguation)

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