陈思诚，原名陈思成，大陆演员、编剧、导演、制片人。毕业于中央戏剧学院。

2001年凭第一部电影《法官妈妈》中张帅一角获得第八届电影“华表奖”最佳新人奖，第九届大学电影节最佳新人奖以及第二十五届百花奖最佳男演员奖的提名。2006年因在电视剧《士兵突击》饰演角色“成才”而被大众熟知，同年凭借电影《春风沉醉的夜晚》获第62届戛纳电影节最佳男演员奖提名，凭借《守望者：罪恶迷途》中“周栋”一角获第三届英国万像国际华语电影节“优秀男配角奖” 。

Chen Sicheng (Chinese: 陈思诚, born February 22, 1978 in Shenyang) is a Chinese actor, director and screenwriter. He graduated from the Central Academy of Drama, and is known for his leading roles in the films A Young Prisoner's Revenge and Spring Fever; as well as television series Soldiers Sortie. As a director, Chen is known for the hit television series Beijing Love Story and its film sequel; as well as the blockbuster comedy film series Detective Chinatown.