Song Jing (宋璟) (663 – November 21, 737), formally
Duke Wenzhen of Guangping (廣平文貞公), was an official of the
Chinese Tang Dynasty and
Wu Zetian's Zhou Dynasty, serving as the
chancellor during the reigns of
Emperor Ruizong and
Emperor Xuanzong. He was praised by historians for his insistence on being morally upright, and for being a just administrator of the law during his time as Xuanzong's senior chancellor.