The Prevention of Crime Act 1959 () is a Malaysian law which establishes the procedure for arrest and detention of individuals suspected of belonging to a criminal organization, including groups involved in drug trafficking, human trafficking and terrorism. It grants the police power to arrest and detain an individual without trial for up to 60 days.
The Prevention of Crime Act 1959, in its current form (1 December 2015), consists of 5 Parts containing 23 sections and 3 schedules (including 12 amendments).