Zhou may refer to:

Chinese history
 Predynastic Zhou ( or ; 11th cent. BC), the state in modern Shaanxi which established the Zhou dynasty
 Zhou dynasty (; –256 BC), a dynasty of China controlling Shaanxi, the North China Plain, and its periphery
 Western Zhou (; –771 BC), ruling from present-day Xi'an
 Eastern Zhou (; 770–256 BC), overseeing numerous petty states from present-day Luoyang
 Western Zhou (state) (; 440–256 BC), one of the Warring States in modern western Henan
 Eastern Zhou (state) (; 367–249 BC), one of the Warring States in modern eastern Henan
 Northern Zhou (; 557–581), a Xianbei state ruling western China from present-day Xi'an during the Northern and Southern Dynasties
 Wu Zhou ( or ; 690–705), briefly ruling the Tang dynasty from present-day Luoyang
 Later Zhou (; 951–960), briefly ruling most of northern China from Kaifeng during the Five Dynasties and Ten Kingdoms period
 Zhou (Zhang Shicheng) (; 1354–1367), briefly ruling the area around the Yangtze River Delta from Suzhou during the Red Turban Rebellion at the end of the Yuan dynasty
 Zhou (Wu Sangui) (; 1678–1681), briefly ruling the area around Hunan from Hengzhou during the Qing dynasty

People
 King Zhou of Shang (; –1046 BC), the last king of the Shang dynasty
 Zhou (surname) (), a common Chinese surname, also romanized as Chou
 Chen Yao, a DOTA player who goes by the screenname Zhou

Other uses
 Zhou (country subdivision) (), a traditional East Asian administrative division
 Congee, various rice porridges known in Chinese as zhōu ()

See also
Chou (disambiguation)