Acacia Prison is located on Whadjuk Noongar land in the suburb of Wooroloo, Perth, Western Australia.

The facility is a medium-security prison for adult males.

Acacia Prison opened in May 2001. The facility is owned by the Department of Justice and the operation of the prison has been contracted to the private company, Serco. It is the only privately-operated prison in Western Australia.

In 2021 Serco were successful in their bid for the new Acacia contract.