Liao may refer to:
Chinese history Liao (Zhou dynasty state) (蓼), two states in ancient China during the Spring and Autumn period in the 8th and 7th centuries BC Liao of Wu (吳王僚) (died 515 BC), king of Wu during ancient China's Spring and Autumn period Liao dynasty (遼朝) (916–1125), a dynasty of China ruled by the Khitan Yelü clan Northern Liao (北遼) (1122–1123), a regime in northern China Qara Khitai (西遼) (1124–1218), also called the "Western Liao", successor to the Liao dynasty in northwestern China and Central Asia Eastern Liao (東遼) (1213–1269), a regime in northeastern China Later Liao (後遼) (1216–1219), a regime in northeastern China
Other uses Liaoning, abbreviated as Liao (辽), a province of China liao (料), a unit of displacement for Ming-era Chinese naval vessels Liao (surname) (廖), a Chinese family name Liao River, a river in northeast China liao, a grammatical particle in Singlish Liao, a character of the video game Overwatch House Liao, the noble house in the Battletech franchise that leads the major political power called the Capellan Confederation.