Qin

Qin may refer to:

Dynasties and states

 * Qin (state) (秦), a major state during the Zhou Dynasty of ancient China
 * Qin dynasty (秦), founded by the Qin state in 221 BC and ended in 206 BC
 * Daqin (大秦), ancient Chinese name for the Roman Empire
 * Former Qin (前秦), Di state/Di (Wu Hu) in the Sixteen Kingdoms period, 351 AD
 * Later Qin (后秦), Qiang state in the Sixteen Kingdoms period, 384 AD
 * Western Qin (西秦), Xianbei state in the Sixteen Kingdoms period, 409 AD

Geography

 * Qin (秦), another name of Shaanxi province, China
 * Qin County (沁县), in Shanxi province, China
 * Qin River (沁河) in Shanxi, tributary of the Yellow River
 * Qin River (Hebei) (寢水) in Hebei, a former name of the Ming River

Other uses

 * Qin (surname)
 * Qin (board game)
 * Qin (Mandaeism), a demon of the Mandaean underworld
 * Qin (Star Wars), a character on the television series The Mandalorian
 * BYD Qin, a car
 * Guqin (古琴), or qin, Chinese stringed musical instrument
 * QIN, an acronym for the Quinault Indian Nation, Native American peoples in the United States
 * qin, one representation of the functional fourth root of sin