proper name · Li Jiancheng (born 1964), a prominent Chinese geophysicist and expert in satellite geodesy.

李建成教授是中国卫星大地测量领域的权威专家。

proper name · Li Jiancheng (589-626), the eldest son of the first Tang emperor Li Yuan, murdered by his brother Li Shimin in the Xuanwu Gate Incident.

李建成在玄武门之变中被李世民射死。