The Provisional Revolutionary Government of the Republic of South Vietnam (PRG, Vietnamese: Chính phủ Cách mạng Lâm thời Cộng hòa miền Nam Việt Nam), was formed on 8 June 1969, by the Democratic Republic of Vietnam (North Vietnam), as an armed rival government opposing the government of the Republic of Vietnam (South Vietnam) under President Nguyễn Văn Thiệu. Delegates of the National Liberation Front of South Vietnam (Viet Cong), as well as several smaller groups, participated in its creation.
The PRG was recognized as the government of South Vietnam by most communist states and Malta. It signed the 1973 Paris Peace Treaty as an independent entity, separate from both South Vietnam and North Vietnam.