Buyant may refer to: Buyant, Bayan-Ölgii, a sum (district) in Bayan-Ölgii Province, western Mongolia Buyant, Khovd, a sum (district) in Khovd Province, western Mongolia Buyant River, a river in Khovd Province, western Mongolia Buyant-Ukhaa International Airport, Ulaanbaatar, Mongolia See also Buyan (disambiguation) Buyantu (1285–1320), fourth emperor of the Yuan dynasty