Li Chengmei | |
|---|---|
| Crown Prince of the Tang dynasty | |
| In office 839–840 | |
| Monarch | Emperor Wenzong of Tang |
| Preceded by | Li Yong |
| Succeeded by | Li Chan |
| Prince of Chen | |
| In office 837–839 | |
| Personal details | |
| Parent | Emperor Jingzong of Tang |
Li Chengmei (李成美) (died February 12, 840[1][2]), formally the Prince of Chen (陳王), was an imperial prince of the Chinese Tang dynasty, who briefly served as crown prince during the reign of his uncle Emperor Wenzong.