Marquis Zhuang of Cai (蔡莊侯) (d. 612 ), born Jī Jiǎwǔ , was the fifteenth ruler of the State of Cai from  to .  He was the only known son of Lord Mu of Cai (蔡穆侯), his predecessor. His reign was a period of 34 years. He was succeeded by his son.

References 
 Shiji
 Chinese Wikipedia
 Chinese Text Project
 chinaknowledge.de/History/Zhou/rulers-cai

Zhou dynasty nobility
Cai (state)
7th-century BC Chinese monarchs