The United Nations Congress on Crime Prevention and Criminal Justice is a United Nations congress on crime and criminal justice, held every five years. It is organized by the United Nations Office on Drugs and Crime (UNODC).
The event was initially held in 1955, following the dissolution of the International Penal and Penitentiary Commission (IPPC) by the United Nations General Assembly in 1950. Initially called the United Nations Congress on the Prevention of Crime and the Treatment of Offenders, the current name was adopted in 2005.
The antecedents of the Congress on Crime Prevention and Criminal Justice include the First International Congress on the Prevention and Repression of Crime, held at London in 1872.
The following are a list of past congresses.