Li Jingchen (李景諶) was briefly a chancellor of the Chinese dynasty Tang Dynasty, during the first reign of Emperor Ruizong. Little is known about Li Jingchen's career before or after his brief stint as chancellor, as, atypical for a chancellor, he did not have a biography in either the Old Book of Tang or the New Book of Tang. As of 684, he was serving as Fengge Sheren (鳳閣舍人), a mid-level official at the legislative bureau of government (鳳閣, Fengge), when the head of the legislative bureau, the chancellor Pei Yan, was accused of treason after angering Emperor Ruizong's powerful mother and regent Empress Dowager Wu (later known as Wu Zetian) by suggesting that she return imperial authorities to Emperor Ruizong. Many imperial officials spoke in Pei's defense, but Li Jingchen was said to be on