National Social Democratic Front

National Social Democratic Front
Mặt trận Quốc gia Dân chủ Xã hội
LeaderNguyễn Văn Thiệu (honorary)
Nguyễn Văn Hiếu (de facto)
Founded1967 (1967)
Dissolved1975 (1975)
Merger ofDemocratic Progressive Party
National Revolutionary Movement
National Progressive Movement
Alliance of Democratic and Peaceful Forces
Vietnamese Nationalist Party
Vietnamese Democratic Socialist Party

Personalist Labor Revolutionary Party ex-members
Preceded byDemocratic Progressive Party
HeadquartersSaigon
IdeologyVietnamese nationalism
Anti-communism
Political positionBig tent
Colors  Red   White   Yellow
Slogan"Freedom—Democracy—Progress—Prosperity"
(Tự do—Dân chủ—Tiến bộ—Phú cường)
Party flag

The National Social Democratic Front (Vietnamese: Mặt trận Quốc gia Dân chủ Xã hội), later named the Social Democratic Alliance (Vietnamese: Liên minh Dân chủ Xã hội), was a South Vietnamese political party which was effectively a federation of different groups, united by their anti-communist stance. Its chairman was Lt. Gen. Nguyễn Văn Thiệu, leader of South Vietnam from 1965–1975.