Duke Gong of Qin

Duke Gong of Qin (, died 604 BC), personal name variously recorded as Ying Dao, Ying He, or Ying Jia, was from 608 to 604 BC the monarch of the Qin state.

Duke Gong succeeded his father Duke Kang, who died in 609 BC, as ruler of Qin. He reigned for five years before dying in 604 BC. He was succeeded by his son, Duke Huan.