The People's Revolutionary Youth Union of Kampuchea () was the youth organization of the Khmer People's Revolutionary Party (KPRP; which governed the People's Republic of Kampuchea during the 1980s). The organization was internationally known by its French name, Union de la Jeunesse Populaire Révolutionnaire du Kampuchéa (UJPRK). UJPRK was a member of the World Federation of Democratic Youth.
UJPRK was a member of the Kampuchean United Front for National Construction and Defense, the front of Kampuchean mass organizations. The role of KUFNCD and UJPRK was established in the Constitution.