Huỳnh Tấn Phát (; 15 February 1913 – 30 September 1989) was a Vietnamese architect, politician and revolutionary. He was the Prime Minister and de facto leader of the Provisional Revolutionary Government of South Vietnam during the Vietnam War. After unification, Phát became Deputy Prime Minister and Minister of Construction before serving as Vice President of Vietnam until his death. He is the designer of the flag of the National Liberation Front of South Vietnam.
Early life and education
He studied architecture at the University of Hanoi. In 1940, he became the first Vietnamese architect to open a private architectural office in Saigon. In 1941, he won the first prize in the design contest of the Indochina Exhibition and Convention Center organized by the Governor General of Indochina Jean Decoux.
He later emerged as a leading chief theoretician of the Viet Cong (formally the National Liberation Front).