Duke Xiang of Qin (, died 766 BC) was from 777 to 766 BC the sixth ruler of the Zhou Dynasty vassal state of Qin, which eventually unified China to become the Qin Dynasty. His ancestral name was Ying () and Duke Xiang was his posthumous title. He was the first Qin ruler to be granted a nobility rank by the king of Zhou; under his reign, Qin was formally recognized as a major vassal state of Zhou China.