Chou Bun Eng (, born 10 April 1956) is a Cambodian politician. A longtime member of the ruling Cambodian People's Party, she is currently secretary of state of the Ministry of Interior.
In 2009, Chou Bun Eng has been assigned as the forefront government official to combat human trafficking by serving as the permanent vice chair of the National Committee for Counter Trafficking. In late 2016 she actively coordinated government inter-ministerial efforts to address the issue of illegal surrogate babies.