Zhang Ji may refer to:

• Zhang Ji (Han dynasty) (張濟) (died 196), official under the warlord Dong Zhuo
• Zhang Zhongjing (150–219), formal name Zhang Ji (張機), Han dynasty physician
• Zhang Ji (Derong) (張既) (died 223), general of Cao Wei of the Three Kingdoms period
• Zhang Ji (poet from Hubei) (張繼) (fl. 715–779), Tang dynasty poet from Hubei
• Zhang Ji (poet from Jiangnan) (張籍) (c. 766–830), Tang dynasty poet from Jiangnan
• Zhang Ji (Republic of China) (張繼) (1882–1947), Kuomintang politician
• Zhang Ji (handballer) (张骥) (born 1978), Chinese handball player