Mongke (also Mönkh, Monkh, Munkh) means "eternal" in Mongolian language and may refer to:

• Möngke Khan (1209-1259), Great khan of the Mongol Empire
• Yesü Möngke, khan of Chagatai khanate, 1247-1252
• Mengu-Timur (d. 1282), also known as Mongke Temur, khan of the Golden Horde, 1267-1280
• Tuda-Mengu, also known as Tode Mongke, khan of the Golden Horde from 1280-1287
• Möngke Temür, also known as Mengtemu, chieftain of the Jianzhou Jurchens from 1405-1433
• Batumöngke Dayan Khan, khan of the Northern Yuan Dynasty from 1479–1517

Möngke Khan , born Möngke ( / Mönkh / ) (January 11, 1209 – August 11, 1259 ), was the fourth Great Khan of the Mongol Empire, ruling from July 1, 1251, to August 11, 1259. He was the first Great Khan from the Toluid line and made significant reforms to improve the administration of the Empire during his reign. Under Möngke, the Mongols conquered Iraq and Syria as well as the kingdom of Nanzhao.