Yun
Yun may refer to:
- Yǔn, Chinese name of Xionites, a nomadic tribe of Central Asia
 - Yun (Chinese name) (云/雲), a Chinese family name
 - Yun (ancient surname), an ancient Chinese surname
 - Yeon, or Yun, Korean (or Dutch given name) family name
 - Yun (Korean surname), or Yoon, Korean family name
 - Yun (restaurant), in Seoul, South Korea
 - Yun (Street Fighter), a Street Fighter character
 - Yun OS, mobile operation system developed by Alibaba
 - Yun County, Hubei, in China
 - Yun County, Yunnan, in China
 - Yunnan, abbreviated as Yún, province of China
 - Brother Yun, a Chinese Christian
 - Arduino Yún, a single-board microcontroller
 - ISO 4217 for Yugoslav Convertible dinar