Jin may refer to:

• Jin Dynasty (265-420)
• Jin Dynasty (1115-1234) (Jinn)
• Jin, a state in China during the Spring and Autumn Period
• Later Jin Dynasty , founded in 1616 by Nurhaci
• Jin , a ruler of the Xia dynasty
• The Jin state of late Bronze Age Korea
• Jin, Chinese American rapper
• Jìn (晋), an abbreviation for Shanxi province in the People's Republic of China
• Giant Korean gorilla like monster
• The Mandarin transliteration of several Chinese family names Jin (金, 靳, 晉)
• A Chinese weighing unit (斤) that is no longer in use. Jin was in use in Hong Kong marketplace until the 70's. It coexisted with lb. for sometime until the government promoted the use of kg. instead. One jin equals 16 liang. One hundred jin equals one dan.