Tang Jian (579–656), courtesy name Maoyue, posthumously known as Duke Xiang of Ju, was a Chinese official who lived in the early Tang dynasty and rose to prominence during the reign of Emperor Taizong.

Tang Jian was born in Jinyang (晋阳), which is present-day Taiyuan, Shanxi.

Tang Jian had three sons: Tang Jian played an important diplomatic role in erasing the Eastern Tujue's power over East Asia.

His main task was to persuade Jiali Khan to surrender.

Around the same time, the Tang army led by Li Jing attacked the Eastern Tujue by surprise, defeated them, and captured Jiali Khan.