Altai

Altai or Altay may refer to:

Places

 * Altai Mountains, in Central and East Asia, a region shared by China, Mongolia, Kazakhstan and Russia

In China

 * Altay Prefecture (阿勒泰地区), Xinjiang Uyghur Autonomous Region, China
 * Altay City (阿勒泰市), also spelled "Aletai", a city of Altay Prefecture

In Kazakhstan

 * Altai Town, a town in Kazakhstan, until 2019 known as Zyryan or Zyryanovsk

In Mongolia

 * Altai City
 * Altai, Govi-Altai, a sum (district)
 * Altai, Bayan-Ölgii, a sum
 * Altai, Khovd, a sum

In Russia

 * Altai Krai, a federal subject of Russia
 * Altay, Altay Krai
 * Altai Republic, a federal subject of Russia

People and languages

 * Altay (name), a list of people with the given name or surname
 * Altai people, an ethnic group
 * Altai languages, the languages spoken by these people

Other uses

 * Altai, a historical novel by Wu Ming
 * Rupes Altai, a feature of the geography of the Moon
 * Altay sheep, a sheep breed
 * Altay S.K., a football club from İzmir, Turkey
 * Altay S.K. (women's football), women's football team from İzmir, Turkey
 * Altay (tank), a Turkish main battle tank
 * Altay-class oiler, a Soviet Navy ship class
 * Altai gas pipeline, a proposed natural gas pipeline between Russia and China
 * Altai (mobile telephone system), a Soviet pre-cellular radiotelephone service