King Mu of Chu (Chinese: 楚穆王; pinyin: Chǔ Mù Wáng, died 614 BC) was from 625 to 614 BC king of the state of Chu during the Spring and Autumn Period of ancient China. He was born Xiong Shangchen (Chinese: 熊商臣) and King Mu was his posthumous title.Prince Shangchen was the son of King Cheng of Chu and was the original Crown Prince. In 626 BC King Cheng tried to make his other son Prince Zhi the new crown prince.