Du Yan (died 628), courtesy name Zhili, posthumously known as Duke Xiang of Anji, was a Chinese official who served as a chancellor during the reign of Emperor Taizong in the Tang dynasty.
A Chinese official named Du Yan, who died in 628, was given the title of Duke Xiang of Anji after his death and served as a high-ranking advisor to Emperor Taizong during the Tang dynasty's reign.