Leaders of Republic of Vietnam
Republic of Cochin China (1 Jun 1946 - 14 Jun 1949)
President
| ♯ | Name | Administration | Note |
| 1 | Nguyen Van Thinh | 26 Mar 1946 - 10 Nov 1946 | |
| 2 | Nguyen Van Xuan (1st time) | 15 Nov 1946 - 7 Dec 1946 | |
| 3 | Le Van Hoach | 7 Dec 1946 - 8 Oct 1947 | |
| 4 | Nguyen Van Xuan (2nd time) | 8 Oct 1947 - 27 May 1948 | |
| 5 | ??? | 27 May 1948 - 14 Jun 1949 | Cochin China was merged into the State of Vietnam in 14 Jun 1949. |
Provisional Central Government of Vietnam (27 May 1948 - 14 Jun 1949)
President
| ♯ | Name | Administration | Note |
| 1 | Nguyen Van Xuan | 27 May 1948 - 14 Jun 1949 | Pre-government of the State of Vietnam. |
State of Vietnam (14 Jun 1949 - 26 Oct 1955)
Chief (Quoc Truong)
| ♯ | Name | Administration | Party | Note |
| 1 | Bao Dai | 13 Jun 1949 - 30 Apr 1955 | Non Party | Holded the post of Prime Minister till 21 Jan 1950. |
| 2 | Ngo Dinh Diem | 30 Apr 1955 - 26 Oct 1955 | Front of National Salvation (coalition) | acting |
Prime Ministers
| ♯ | Name | Administration | Party | Note |
| 1 | Bao Dai | 14 Jun 1949 - 21 Jan 1950 | Non Party | |
| 2 | Nguyen Phan Long | 21 Jan 1950 - 26 Apr 1950 | ??? |
| 3 | Tran Van Huu | 27 Apr 1950 - 6 Jun 1952 | Non Party | |
| 4 | Nguyen Van Tam | 6 Jun 1952 - 17 Dec 1953 | Viet-Nam Quoc Dan Dang (Vietnamese Nationalist Party) | |
| 5 | Pham Buu Loc | 12 Jan 1954 - 16 Jun 1954 | Non Party | |
| 6 | Phan Huy Quat | 16 Jun 1954 - 26 Jun 1954 | Dai Viet Party | acting |
| 7 | Ngo Dinh Diem | 26 Jun 1954 - 26 Oct 1955 | Front of National Salvation | Holded the post of Chief from 30 Apr 1955. |
Republic of Vietnam (26 Oct 1955 - 30 Apr 1975)
President
| ♯ | Name | Administration | Party | Note |
| 1 | Ngo Dinh Diem | 26 Oct 1955 - 2 Nov 1963 | Can Lao Party | |
| 2 | Duong Van Minh (1st time) | 2 Nov 1963 - 30 Jan 1964 | Military | chairman Revolutionary Military Committee |
| 3 | Nguyen Khanh (1st time) | 30 Jan 1964 - 8 Feb 1964 | Military | |
| 4 | Duong Van Minh (2nd time) | 8 Feb 1964 - 16 Mar 1964 | Military | |
| 5 | Nguyen Khanh (2nd time) | 16 Mar 1964 - 27 Aug 1964 | Military | |
| 6 | Provisional Leadership Committee | 27 Aug 1964 - 8 Sep 1964 | Military | Committeeman: Duong Van Minh, Nyugen Khanh and Tran Thien Khiem. |
| 7 | Duong Van Minh (3rd time) | 8 Sep 1964 - 26 Oct 1964 | Military | chairman Provisional Leadership Committee |
| 8 | Phan Khac Suu | 26 Oct 1964 - 14 Jun 1965 | Military | |
| 9 | Nguyen Van Thieu | 14 Jun 1965 - 21 Apr 1975 | Military; 1968- National Social Democratic Front | Election:1967 and 1971. |
| 10 | Tran Van Huong | 21 Apr 1975 - 28 Apr 1975 | ??? | acting |
| 11 | Duong Van Minh (4th time) | 28 Apr 1975 - 30 Apr 1975 | Military | acting |
Prime Minister
| ♯ | Name | Administration | Party | Note |
| 1 | Nguyen Ngoc Tho | 4 Nov 1963 - 30 Jan 1964 | Military | |
| 2 | Nguyen Khanh (1st time) | 4 Nov 1963 - 30 Jan 1964 | Military | |
| 3 | Nguyen Xuan Oanh (1st time) | 29 Aug 1964 - 3 Sep 1964 | Military | acting |
| 4 | Nguyen Khanh (2nd time) | 3 Sep 1964 - 4 Nov 1964 | Military | |
| 5 | Tran Van Huong (1st time) | 4 Nov 1964 - 28 Jan 1965 | Military | |
| 6 | Nguyen Xuan Oanh (2nd time) | 28 Jan 1965 - 15 Feb 1965 | Military | acting |
| 7 | Phan Huy Quat (2nd time) | 28 Jan 1965 - 15 Feb 1965 | Dai Viet Party | |
| 8 | Nguyen Cao Ky | 19 Jun 1965 - 31 Oct 1967 | Military | |
| 9 | Nguyen Van Loc | 31 Oct 1967 - 17 May 1968 | Military | |
| 10 | Tran Van Huong (2nd time) | 28 May 1968 - 1 Sep 1969 | ??? | |
| 11 | Tran Thien Khiem | 1 Sep 1969 - 4 Apr 1975 | Military | |
| 12 | Nguyen Ba Can | 4 Apr 1975 - 24 Apr 1975 | Dan Chu Party (Democracy Party) | |
| 13 | Vu Van Mau | 28 Apr 1975 - 30 Apr 1975 | Forces for National Reconciliation | |
Provisional Revolutionary Government of the Republic of South Vietnam (8 Jun 1969 - 2 Jul 1976)
President
Prime Minister
Miscellaneous topics
External links
WORLD STATESMEN (Vietnam) (http://www.worldstatesmen.org/Vietnam.html)
