Yan may refer to:
Chinese states
- Yan (state) (11th century BC–222 BC), a major state in northern China during the Zhou dynasty
- Yan Kingdom (Han dynasty), first appearing in 206 BC
- Prince of Yan title held in various dynasties of China
- Yan (Three Kingdoms), from 237 to 238
- Former Yan (337–370), a Xianbei state in present-day Hebei
- Western Yan (384–394), a Xianbei state in present-day Shanxi
- Later Yan (384–409), a Xianbei state during Sixteen Kingdoms Period
- Southern Yan (398–410), a Xianbei state in present-day Shandong
- Northern Yan (407–436), successor of Later Yan
- Yan (An–Shi) (756–763), a rebel state founded by the An Lushan rebellion
- Yan (Five Dynasties period) short-lived state in Hebei from 911 to 913
Names
Surname
- Yan (surname), romanization for several Chinese surnames
- Yan, a Cantonese transcription of surname Zhen (甄)
Given name
Mononymous persons
- Yan Emperor, a legendary emperor of ancient China
- Yan, Marquis of Tian (died c. 370 BC), 4th-century BC ruler of the state of Qi
- Yan (musician) or Jan Scott Wilkinson, English singer-songwriter
First name
- Yan Gaylit (1894–1938), Soviet corps commander
- Yan Gomes (born 1987), Brazilian baseball player
- Yan Karlovich Berzin (1889–1938), Soviet military commander and politician
- Yan Klukowski (born 1987), English professional footballer
- Yan Rudzutak (1887–1938), Bolshevik revolutionary and a Soviet politician
- Yan Zhu, software developer
Fictional characters
- Yan Bibiyan, children's book character by Bulgarian writer Elin Pelin
Places
- Yan Mountains, a mountain range in north China
- Yan, Iran, a village in South Khorasan Province, Iran
- Yan, Kedah, a district in Malaysia
Other uses
- Yeast assimilable nitrogen, the combination of free amino nitrogen, ammonia and ammonium for fermenting wine
- Youth Action Network, a former UK volunteering organisation