Guo Wei, posthumously known as Emperor Taizu of Later Zhou

Guo Wei (Chinese: 郭威) (10 September 904 – 22 February 954), also known by his temple name Taizu (太祖), was the founding emperor of imperial China's short-lived Later Zhou during the Five Dynasties and Ten Kingdoms period, reigning from 951 until his death.

Nicknamed "Sparrow Guo" (郭雀兒) after a sparrow-shaped tattoo on his neck, he rose to a high position in the Later Han as an assistant military commissioner. He founded the Later Zhou in 951.