Chagatai may refer to: Chagatai Khan, the second son of Genghis Khan Chagatai Khanate, an area of the Mongol Empire initially ruled by Chagatai Khan Chagatai Khans, leaders of the Chagatai khanate from 1227 to 1687, see List of Chagatai Khans Chagatai language, an extinct Turkic language once widely spoken in central Asia Chagatai people, also known as Chagatai Tajiks. The origin of the people is unknown, though the name is from Chagatai Khan Chughtai, a family name in Asia and the Middle East See also Chagatai Turks (disambiguation) Çağatay, a Turkish name Joghatai, a municipality in Razavi Khorasan, Iran Jaghatu (disambiguation), Afghanistan. Language and nationality disambiguation pages