Duke Gong () may refer to:
Duke Gong of Cao (; died 618 BC), ruler of the Cao (曹) Duke Gong of Chen (; died 614 BC), ruler of the Chen (陳) Duke Gong of Qin (; died 604 BC), ruler of the Qin (秦) Duke Gong of Song (; died 557 BC), ruler of the Song (state) (宋) Duke Gong of Zheng (; died 424 BC), ruler of the Zheng (state) (鄭)
See also
Gong (disambiguation)