Cheng Ruilong (January 1973 – November 2, 2010) was a Chinese robber, sex offender and serial killer responsible for 11 to 13 murders committed in several Chinese cities between 1996 and 2005. After being caught for robbery and sentenced to serve 7 years under a false name, his real identity would be revealed and he was convicted, sentenced to death and subsequently executed in 2010.