Ligdan Khutugtu Khan (from Mongolian "Ligden Khutugt Khan"; Mongolian Cyrillic: Лигдэн Хутугт хаан; or from Chinese, Lindan Han; Chinese: 林丹汗; 1588–1634) was the last khan of the Northern Yuan dynasty based in Mongolia as well as the last in the Borjigin clan of Mongol Khans who ruled the Mongols from Chakhar. His unpopular reign generated violent opposition due to his harsh restrictions over the Mongols. His alliance with Ming dynasty of China, sponsorship of Tibetan Buddhism in Chakhar and reorganization of Mongolian political divisions were ineffective when the Qing dynasty became the major power in East Asia.

Ligden (b.1588) was a son of Mangghus Mergen Taiji and grandson of Buyan Sechen Khan (r. 1593–1603). Because his father died early, Ligden was chosen to succeed his grandfather Buyan as khan of the Northern Yuan dynasty with the reign title Khutugtu in 1603. At the time the Khagan's appanage, Chakhar people, occupied Sira Mören valley. Ligden divided the Chakhar into right and left wings and built Chaghan city near Abaga Khara Mountain.

During his early reign, Ligden had the respect and loyalty of other Mongol tümens. Boshigo jinong of the Three Right Wing Tumens expressed his allegiance to Ligden Khan. Allied with princes of the Southern Khalkha (Baarin and Jarud), Ligden raided Ming China. However, from 1612 on, leaders of the Khorchin and the Jarud became in-laws with the rising Manchus. By the early 17th century, the Khan's court had lost most of its power and was under pressure from the Manchus in the east. Hoping that he could consolidate his power over the Mongol tümens, Ligden moved the Buddhist religious center of the Mongols to Chakhar and had himself declared both religious and political leader of the Mongols by a Tibetan religious leader. Ligden revived the old Saskyapa order of Kublai's time (r. 1260–94), inviting the order's Sharba pandita, who was appointed his preceptor in 1617. Sharba installed Mahakala image in Ligden's capital Chagan. Ligden Khan also built temples at Küriye.

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