Dugu Sun, Chinese chancellor

Dugu Sun, courtesy name Yousun (又損), was an official of the Chinese Tang dynasty, serving as a chancellor during the reigns of Emperor Zhaozong and Emperor Zhaozong's son Emperor Ai, near the end of the dynasty. He was killed in a purge of high-level Tang officials by the warlord Zhu Quanzhong the military governor (Jiedushi) of Xuanwu Circuit, who was then preparing to seize the throne.