King Mu of Chu (, 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 () 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 on the advice of his wife Zheng Mao. When Shangchen learned of his father's plan, he surrounded the palace with his soldiers and forced King Cheng to hang himself. Shangchen then ascended the throne. He was succeeded by his son King Zhuang of Chu.
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Monarchs of Chu (state) 7th-century BC Chinese monarchs 614 BC deaths Year of birth unknown Chinese kings