Marquis Wu of Cai

Marquis Wu of Cai (蔡武侯) (died 837 BC), birth nomen unknown ( his name is lost to history), was the sixth ruler of the State of Cai from 863 BC to 837 BC during the Gonghe Regency. He was the only known son of Marquis Lì of Cai (蔡厲侯), his predecessor. His reign lasted for 28 years. He was succeeded by his son.