Ronald Cheng Chung-kei is a Hong Kong actor, singer and songwriter.

Fatal Contact is a 2006 Hong Kong martial arts film written and directed by Dennis Law, who also producer with Herman Yau. The film stars Wu Jing, Ronald Cheng, Miki Yeung, Theresa Fu, Cheung Siu-fai, Ken Lo, Andy On, Lam Suet and Timmy Hung. Wu Jing played Kong Ko who is trained with the fighting techniques of Sanshou martial arts, and lured into the world of illegal martial arts fighting.