Zhang Bao (birth and death dates unknown) was the eldest son of Zhang Fei, a general who served the warlord Liu Bei in the late Han Dynasty and the state of Shu Han in the Three Kingdoms period. Little is known about Zhang Bao, because Zhang Fei's biography in the historical text Records of the Three Kingdoms only mentioned that he was Zhang Fei's eldest son, and died prematurely. Zhang Bao had a son, Zhang Zun.