Wei
Look up Wei in Wiktionary, the free dictionary.
Wei or WEI may refer to:
States
- Wey (state) (衛, 1040–209 BC), Wèi in pinyin, but spelled Wey to distinguish from the bigger Wèi of the Warring States
 - Wei (state) (魏, 403–225 BC), one of the seven major states of the Warring States period
 - Cao Wei (曹魏, 220–266), ruled North China during the Three Kingdoms period
 - Ran Wei (冉魏, 350–352), short-lived Sixteen Kingdoms period state
 - Northern Wei (北魏, 386–535), ruled North China during the Southern and Northern Dynasties, later split into:
 
- Western Wei (西魏, 535–557)
 - Eastern Wei (東魏, 534–550)
 
- Zhai Wei (翟魏, 388–392), state of Dingling/Gaoche ethnicity in China
 
Places
- Wei River, a main tributary of the Yellow River
 - Wei County, Handan (魏县), Hebei, China
 - Wei County, Xingtai (威县), Hebei, China
 
People
- Wei (given name), different variations of Chinese given names
 - Wei (surname), various Chinese surnames (魏, 衛, 尉, 蔿, 韋)
 - Wei Wei (disambiguation)
 
Other uses
- WEi, a South Korean boy group
 - Wei (rank), a company-grade officer in Chinese armed forces
 - Wei (value token), a subunit of the Ether value token on the Ethereum blockchain
 - Wau Ecology Institute, Wau, Papua New Guinea
 - Web Environment Integrity, a Web API proposed by Google
 - Windows Experience Index (WEI) score, a measure of the user-perceived performance of a computer running Microsoft Windows
 - Weipa Airport (IATA code: WEI), Weipa, Queensland, Australia
 - Wei, a star otherwise known as Epsilon Scorpii
 - Wei Empire, a fictional state and planetary romance series of Yulia Latynina