周世宗
Chai Rong () (27 October 921 – 27 July 959) or Guo Rong (), also known by his temple name Shizong (), was the second emperor of imperial China's short-lived Later Zhou during the Five Dynasties and Ten Kingdoms period, reigning from 954 until his death. He succeeded his uncle-in-law Guo Wei, whose surname he had adopted.