Jiu, JIU or JiU may refer to:
Jiu (river), a tributary of the Danube in Romania Alcoholic beverages, known as jiǔ () in Chinese Ținutul Jiu, a former administrative division of Romania Joint Inspection Unit, a United Nations entity IATA code of Jiujiang Lushan Airport, China Jino language, ISO 639-3 language code Jones International University, a predominantly on-line school located in Centennial, Colorado Josai International University, private university in Japan JiU, member of Korean girl group Dreamcatcher , a Japanese new religion led by Jikōson Iota Pegasi, a star also named Jiu
See also Jiul de Est, a headwater of the river Jiu in Romania Jiul de Vest, a headwater of the river Jiu in Romania Târgu Jiu, city in Romania Roșia-Jiu, a village in Fărcășești Commune, Gorj County, Romania