Guo Zongxun, Chinese emperor (died 973)

Guo Zongxun or Chai Zongxun, also known by his posthumous name as the Emperor Gong of Later Zhou, was the third and last emperor of the Chinese Later Zhou dynasty, during the Five Dynasties and Ten Kingdoms period. He reigned from July 959, when he succeeded his father Chai Rong, until February 960, when he was overthrown by his general Zhao Kuangyin, who founded the Song dynasty.