Thailand Heads of Government
Srettha Thavisin, Prime Minister
- Full Name: Srettha Thavisin
- Official Title: Prime Minister of Thailand
- Assumed Office: 22 August 2023
- Political Party: Pheu Thai Party
- Predecessor: Prayuth Chan-ocha
- Born: 15 February 1962
- Birth Place: Bangkok, Thailand
- Alma Mater: Columbia University; King's College London; Loyola College (India)
- Spouse(s): Dr. Parkpilai Thavisin
- Children: 3
- Previous Positions: Real estate developer/tycoon
Prayut Chan-ocha, Prime Minister
- Full Name: Prayut Chan-ocha
- Assumed Office: 22 May 2014
- Political Party: Palang Pracharath Party
- Predecessor: Niwatthamrong Boonsongpaisan
- Successor: Srettha Thavisin
- Born: 21 March 1954
- Birth Place: Nakhon Ratchasima, Thailand
- Alma Mater: National Defense College
- Spouse(s): Naraporn Chan-o-cha
- Children: 2
- Previous Positions: Minister of Defense (10 July 2019); Head of the National Council for Peace and Order (22 May 2014 – 16 July 2019); Commander in Chief of the Royal Thai Army (1 May 2010 – 30 September 2014)
Niwatthamrong Boonsongpaisan, Prime Minister
- Full Name: Niwatthamrong Boonsongpaisan
- Assumed Office: 7 May 2014
- Left Office: 22 May 2014
- Political Party: Pheu Thai Party
- Predecessor: Yingluck Shinawatra
- Successor: Prayut Chan-o-cha
- Born: 25 January 1948
- Birth Place: Bangkok, Thailand
- Alma Mater: Srinakharinwirot University; Chulalongkorn University
- Spouse(s): Boonphatcharee Boonsongpaisan
- Previous Positions: Minister to the Office of the Prime Minister (18 January 2012 – 30 June 2013)
Yingluck Shinawatra, Prime Minister
- Full Name: Yingluck Shinawatra
- Assumed Office: 5 August 2011
- Left Office: 7 May 2014
- Political Party: Pheu Thai Party
- Predecessor: Abhisit Vejjajiva
- Successor: Niwatthamrong Boonsongpaisan
- Born: 21 June 1967
- Birth Place: San Kamphaeng, Chiang Mai, Thailand
- Alma Mater: Chiang Mai University; Kentucky State University
- Children: Supasek Amornchat
Abhisit Vejjajiva, Prime Minister
- Full Name: Abhisit Vejjajiva
- Assumed Office: 17 December 2008
- Left Office: 5 August 2011
- Political Party: Democrat Party
- Predecessor: Chaovarat Chanweerakul
- Successor: Yingluck Shinawatra
- Born: 3 August 1964
- Birth Place: Newcastle upon Tyne, England, UK
- Alma Mater: St Johns College; Oxford Ramkhamhaeng University
- Spouse(s): Pimpen Vejjajiva
- Children: 2
- Previous Positions: Leader of the Opposition in the House of Representatives (6 March 2005 – 17 December 2008); Minister to the Office of the Prime Minister (14 November 1997 – 6 January 2001)
Chavarat Charnvirakul, Prime Minister
- Full Name: Chavarat Charnvirakul
- Assumed Office: 2 December 2008
- Left Office: 17 December 2008
- Political Party: Bhumjaithai Party (since 2009)
- Predecessor: Somchai Wongsawat
- Successor: Abhisit Vejjajiva
- Born: 7 June 1936
- Birth Place: Bangkok, Siam
- Alma Mater: Thammasat University
- Spouse(s): Tassanee Chanweerakul
- Children: Anutin Charnvirakul
- Previous Positions: Deputy Prime Minister of Thailand (24 September 2008 – 16 December 2008); Ministry of Public Health (2 August 2008 – 23 September 2008); Minister of Social Development and Human Security (24 May 2008 – 2 August 2008)
Somchai Wongsawat, Prime Minister
- Full Name: Somchai Wongsawat
- Assumed Office: 8 September 2008
- Left Office: 2 December 2008
- Political Party: Pheu Thai Party
- Predecessor: Samak Sundaravej
- Successor: Chaovarat Chanweerakul
- Born: 31 August 1947
- Birth Place: Chawang, Nakhon Si Thammarat, Thailand
- Alma Mater: Thammasat University; National Institute of Development Administration
- Spouse(s): Yaowapha Wongsawat
- Children: 3
- Previous Positions: Executive member of the People's Power Party (PPP); Minister of Education; Senior Deputy Prime Minister
Samak Sundaravej, Prime Minister
- Full Name: Samak Sundaravej
- Assumed Office: 29 January 2008
- Left Office: 9 September 2008
- Political Party: Peoples Power Party (2007–2008)
- Predecessor: Surayud Chulanont
- Successor: Somchai Wongsawat
- Born: 13 June 1935
- Birth Place: Bangkok, Siam
- Died: 24 November 2009
- Alma Mater: Thammasat University Chulalongkorn University Bryant & Stratton College
- Spouse(s): Surat Sundaravej
- Previous Positions: Governor of Bangkok (23 July 2000 – 28 August 2004); Minister of Interior (8 October 1976 – 19 October 1977); Military service
Surayud Chulanont, Prime Minister
- Full Name: Surayud Chulanont
- Assumed Office: 1 October 2006
- Left Office: 29 January 2008
- Predecessor: Sonthi Boonyaratglin
- Successor: Samak Sundaravej
- Born: 28 August 1943
- Birth Place: Prachinburi, Thailand
- Alma Mater: Chulachomklao Royal Military Academy; National Defence College of Thailand
- Spouse(s): Duangphon Rattanakri (div.);
Chitravadee Chulanont - Previous Positions: Supreme Commander of the Armed Forces (1 October 2002 – 30 September 2003); Commander in Chief of the Royal Thai Army (1 October 1998 – 30 September 2002)
Sonthi Boonyaratglin, President
- Full Name: Sonthi Boonyaratglin
- Official Title: President of the Administrative Reform Council of Thailand
- Assumed Office: 19 September 2006
- Left Office: 1 October 2006
- Political Party: Chartthaipattana Party (since 2018)
- Predecessor: Thaksin Shinawatra as Prime Minister
- Successor: Surayud Chulanont as Prime Minister
- Born: 2 October 1946
- Birth Place: Pathum Thani, Thailand
- Alma Mater: Armed Forces Academies Preparatory School; Chulachomklao Royal Military Academy; National Defence College of Thailand; Ramkhamhaeng University (Ph.D.)
- Spouse(s): Sukanya Boonyaratglin; Piyada Boonyaratglin
Thaksin Shinawatra, Prime Minister
- Full Name: Thaksin Shinawatra
- Assumed Office: 9 February 2001
- Left Office: 19 September 2006
- Political Party: Thai Rak Thai Party (1998–2006)
- Predecessor: Chuan Leekpai
- Successor: Sonthi Boonyaratglin
- Born: 26 July 1949
- Birth Place: San Kamphaeng, Chiang Mai, Thailand
- Alma Mater: Armed Forces Academies; Preparatory School; Royal Police Cadet Academy; Eastern Kentucky University; Sam Houston State University (Ph.D.)
- Spouse(s): Potjaman Na Pombejra
- Children: Panthongtae Shinawatra; Pintongtha Shinawatra; Peathongtarn Shinawatra
- Previous Positions: Deputy Prime Minister of Thailand (13 July 1995 – 8 November 1997); Minister of Education (14 June 2001 – 9 October 2001); Minister of Foreign Affairs (25 October 1994 – 10 February 1995)
Chuan Leekpai, Prime Minister
- Full Name: Chuan Leekpai
- Assumed Office: 9 November 1997
- Left Office: 9 February 2001
- Political Party: Democrat Party
- Predecessor: Chavalit Yongchaiyudh
- Successor: Thaksin Shinawatra
- Born: 28 July 1938
- Birth Place: Mueang Trang, Trang, Siam
- Alma Mater: Thammasat University (LL.B.); The Thai Bar (Barrister)
- Children: Surabot Leekpai
- Previous Positions: Leader of the Opposition in House of Representatives of Thailand (4 August 1995 – 8 November 1997); Minister of Defence (14 November 1997 – 5 February 2001); Minister of Agriculture and Cooperatives (26 August 1990 – 9 December 1990 and 19 December 1981 – 19 March 1983); Deputy Prime Minister of Thailand (1988–1989); Minister of Public Health (4 August 1988 – 29 December 1989); Speaker of the House of Representatives of Thailand (4 August 1986 – 29 April 1988); Minister of Commerce (11 March 1981 – 19 December 1981); Minister of Justice (3 March 1980 – 5 March 1981 and 25 September 1976 – 6 October 1976); Minister to the Office of the Prime Minister (21 April 1976 – 23 September 1976)
Chavalit Yongchaiyudh, Prime Minister
- Full Name: Chavalit Yongchaiyudh
- Assumed Office: 25 November 1996
- Left Office: 8 November 1997
- Political Party: Pheu Thai Party (since 2009); Peoples Power Party (2007-2008); Thai Rak Thai Party (2002-2005); New Aspiration Party (1990-2002)
- Predecessor: Banharn Silpa-archa
- Successor: Chuan Leekpai
- Born: 15 May 1932
- Birth Place: Nonthaburi, Thonburi (modern Nonthaburi), Siam
- Alma Mater: United States Army Command and General Staff College at Fort Leavenworth
- Spouse(s): Vipha (div.);
Prasertsri Chan-aporn (div.);
Pankruea Yongchaiyudh (div.);
Orathai Sorakan (m. 2018) - Previous Positions: Deputy Prime Minister of Thailand (13 July 1995 – 24 November 1996, 14 July 1994 – 25 October 1994, and 30 March 1990 – 21 June 1990); Minister of Defence (13 July 1995 – 24 November 1996 and 30 March 1990 – 21 June 1990); Leader of the Opposition in the House of Representatives (15 May 1992 – 16 June 1992); Minister of Interior (29 September 1992 – 11 December 1994); Minister of Labour and Social Services (15 September 1993 – 1 January 1994); Supreme Commander of the Armed Forces (1 October 1987 – 31 March 1990); Commander in Chief of the Royal Thai Army (27 May 1986 – 31 March 1990)
Banharn Silpa-archa, Prime Minister
- Full Name: Banharn Silpa-archa
- Assumed Office: 13 July 1995
- Left Office: 24 November 1996
- Political Party: Thai Nation Party
- Predecessor: Chuan Leekpai
- Successor: Chavalit Yongchaiyudh
- Born: 19 August 1932
- Birth Place: Suphan Buri, Siam
- Died: 23 April 2016
- Alma Mater: Ramkhamhaeng University
- Spouse(s): Jamsai Silpa-archa
- Children: Warawut Silpa-archa; Kanchana Silpa-archa; Parichat Silpa-archa
- Previous Positions: Leader of the Opposition in House of Representatives of Thailand (27 May 1994 – 19 May 1995); Minister of Transport (7 April 1992 – 9 June 1992 and 5 August 1986 – 3 August 1988); Minister of Finance (14 December 1990 – 23 February 1991); Minister of Interior (9 January 1990 – 9 December 1990); Minister of Industry (3 March 1988 – 9 January 1990); Minister of Agriculture and Cooperatives (3 March 1980 – 4 March 1981); Military service
Chuan Leekpai, Prime Minister
- Full Name: Chuan Leekpai
- Assumed Office: 20 September 1992
- Left Office: 13 July 1995
- Political Party: Democrat Party
- Predecessor: Anand Panyarachun
- Successor: Banharn Silpa-archa
- Born: 28 July 1938
- Birth Place: Mueang Trang, Trang, Siam
- Died: NA
- Alma Mater: Thammasat University (LL.B.); The Thai Bar (Barrister)
- Spouse(s): Pakdiporn Sujaritkul (his common-law wife)
- Children: Surabot Leekpai
- Previous Positions: Minister of Agriculture and Cooperatives (26 August 1990 – 9 December 1990 and 19 December 1981 – 19 March 1983); Narong Wongwan Deputy Prime Minister of Thailand (1988–1989); Minister of Public Health (4 August 1988 – 29 December 1989); Speaker of the House of Representatives of Thailand (4 August 1986 – 29 April 1988); Minister of Commerce (11 March 1981 – 19 December 1981); Minister of Justice (3 March 1980 – 5 March 1981 and 25 September 1976 – 6 October 1976); Minister to the Office of the Prime Minister (21 April 1976 – 23 September 1976)
Anand Panyarachun, Prime Minister
- Full Name: Anand Panyarachun
- Assumed Office: 10 June 1992
- Left Office: 22 September 1992
- Predecessor: Meechai Ruchuphan
- Successor: Chuan Leekpai
- Born: 9 August 1932
- Birth Place: Bangkok, Siam
- Alma Mater: Trinity College, Cambridge
- Spouse(s): M.R. Sodsri Panyarachun (née Chakrabandhu)
Meechai Ruchuphan, Prime Minister
- Full Name: Meechai Ruchuphan
- Assumed Office: 24 May 1992
- Left Office: 10 June 1992
- Predecessor: Suchinda Kraprayoon
- Successor: Anand Panyarachun
- Born: 2 February 1938
- Birth Place: Bangkok, Siam
- Alma Mater: Thammasat University; Southern Methodist University, Texas
- Spouse(s): Amphorn Ruchuphan
- Previous Positions: Deputy Prime Minister of Thailand (2 March 1991 – 22 March 1992); (14 April 1992 – 9 June 1992); Minister to the Office of the Prime Minister (21 March 1980 – 3 August 1988); (9 August 1988 – 4 January 1990)
Suchinda Kraprayoon, Prime Minister
- Full Name: Suchinda Kraprayoon
- Assumed Office: 7 April 1992
- Left Office: 24 May 1992
- Predecessor: Anand Panyarachun
- Successor: Meechai Ruchuphan
- Born: 6 August 1933
- Birth Place: Bangkok Noi, Thonburi, Siam
- Alma Mater: Chulalongkorn University in Bangkok; Chulachomklao Royal Military Academy
- Spouse(s): Khun Ying Wannee Kraprayoon
- Previous Positions: Minister of Defence; Supreme Commander of the Armed Forces (1 October 1991 – 4 April 1992); Commander in Chief of the Royal Thai Army (29 April 1990 – 7 April 1992); Military service
Anand Panyarachun, Prime Minister
- Full Name: Anand Panyarachun
- Assumed Office: 2 March 1991
- Left Office: 23 March 1992
- Predecessor: Chatichai Choonhavan
- Successor: Suchinda Kraprayoon
- Born: 9 August 1932
- Birth Place: Bangkok, Siam
- Alma Mater: Trinity College, Cambridge
- Spouse(s): M.R. Sodsri Panyarachun (née Chakrabandhu)
Sunthorn Kongsompong, Prime Minister
- Full Name: Sunthorn Kongsompong
- Assumed Office: 24 February 1991
- Left Office: 2 March 1991
- Predecessor: Chatichai Choonhavan
- Successor: Anand Panyarachun
- Born: 1 August 1931
- Birth Place: Bangkok, Thailand
- Died: 2 August 1999
Chatichai Choonhavan, Prime Minister
- Full Name: Chatichai Choonhavan
- Assumed Office: 4 August 1988
- Left Office: 23 February 1991
- Political Party: Thai Nation Party (1974–1991) National Development Party (1992–1998)
- Predecessor: Prem Tinsulanonda
- Successor: Anand Panyarachun
- Born: 5 April 1920
- Birth Place: Pom Prap Sattru Phai, Bangkok, Siam
- Died: 6 May 1998
- Alma Mater: Chulachomklao Royal Military Academy
- Spouse(s): Boonruen Choonhavan
- Children: Kraisak Choonhavan
- Previous Positions: Deputy Prime Minister of Thailand (5 August 1986 – 3 August 1988); Minister of Industry (5 October 1976 – 6 October 1976); (20 April 1976 – 23 September 1976); Minister of Foreign Affairs (17 March 1975 – 21 April 1976); Military service
Prem Tinsulanonda, Prime Minister
- Full Name: Prem Tinsulanonda
- Assumed Office: 3 March 1980
- Left Office: 4 August 1988
- Predecessor: Kriangsak Chamanan
- Successor: Chatichai Choonhavan
- Born: 26 August 1920
- Birth Place: Songkhla, Siam (now Thailand)
- Died: 26 May 2019
- Alma Mater: Chulachomklao Royal Military Academy United States Army Armor School
- Previous Positions: Minister of Defence (24 May 1979 – 5 August 1986); Commander in Chief of The Royal Thai Army (2 October 1978 – 26 August 1982); Military service
Kriangsak Chamanan, Prime Minister
- Full Name: Kriangsak Chamanan
- Assumed Office: 11 November 1977
- Left Office: 3 March 1980
- Predecessor: Thanin Kraivichien
- Successor: Prem Tinsulanonda
- Born: 17 December 1917
- Birth Place: Samut Sakhon, Siam
- Died: 23 December 2003
- Alma Mater: Thai Army Command and General Staff College (CGSC) and Thailand National Defence College.
- Spouse(s): Wirat Chamanan
- Previous Positions: Minister of Defence (11 August 1977 – 11 May 1979); Supreme Commander of the Armed Forces (1 October 1966 – 30 September 1977); Military service
Sangad Chaloryu, Prime Minister
- Full Name: Sangad Chaloryu
- Assumed Office: 20 October 1977
- Left Office: 10 November 1977
- Predecessor: Thanin Kraivichien
- Successor: Kriangsak Chamanan
- Born: 4 March 1915
- Birth Place: Suphan Buri, Siam
- Died: 23 November 1980
- Alma Mater: Royal Thai Naval Academy
- Spouse(s): Sukon Chaloryu
- Previous Positions: Minister of Defense (22 October 1976 – 20 October 1977); (5 October 1976 – 6 October 1976); Supreme Commander of the Armed Forces (1 October 1975 – 30 September 1976); Commander in Chief of the Royal Thai Navy (19 November 1973 – 30 September 1976)
Thanin Kraivichien, Prime Minister
- Full Name: Thanin Kraivichien
- Assumed Office: 8 October 1976
- Left Office: 19 October 1977
- Predecessor: Seni Pramoj
- Successor: Kriangsak Chamanan
- Born: 5 April 1927
- Birth Place: Bangkok, Siam
- Alma Mater: Thammasat University University of London
- Spouse(s): Karen Anderson
- Children: 5
Sangad Chaloryu, Prime Minister
- Full Name: Sangad Chaloryu
- Assumed Office: 6 October 1976
- Left Office: 8 October 1976
- Predecessor: Seni Pramoj
- Successor: Thanin Kraivichien
- Born: 4 March 1915
- Birth Place: Suphan Buri, Siam
- Died: 23 November 1980
- Alma Mater: Royal Thai Naval Academy
- Spouse(s): Sukon Chaloryu
Seni Pramoj, Prime Minister
- Full Name: Seni Pramoj
- Assumed Office: 20 April 1976
- Left Office: 6 October 1976
- Political Party: Democrat Party
- Predecessor: Kukrit Pramoj
- Successor: Thanin Kraivichien
- Born: 26 May 1905
- Birth Place: Nakhon Sawan, Siam
- Died: 28 July 1997
- Alma Mater: Worcester College, Oxford
- Spouse(s): Utsana Saligupta
- Children: Seri Pramoj; Usni Pramoj; Neeyana Pramoj
- Previous Positions: Minister of Defense (27 August 1976 – 23 September 1976); Leader of the Opposition in House of Representatives of Thailand (22 March 1975 – 12 January 1976); (12 February 1969 – 17 November 1971); Minister of Justice (24 November 1947 – 21 February 1948);
Kukrit Pramoj, Prime Minister
- Full Name: Kukrit Pramoj
- Assumed Office: 14 March 1975
- Left Office: 20 April 1976
- Political Party: Social Action Party
- Predecessor: Seni Pramoj
- Successor: Seni Pramoj
- Born: 20 April 1911
- Birth Place: In Buri, Singburi, Siam
- Died: 9 October 1995
- Alma Mater: The Queens College, Oxford
- Spouse(s): M.L. Pakpring Thongyai (Divorced)
- Children: 2
Seni Pramoj, Prime Minister
- Full Name: Seni Pramoj
- Assumed Office: 15 February 1975
- Left Office: 15 February 1975
- Political Party: Democrat Party
- Predecessor: Sanya Dharmasakti
- Successor: Kukrit Pramoj
- Born: 26 May 1905
- Birth Place: Nakhon Sawan, Siam
- Died: 28 July 1997
- Alma Mater: Worcester College, Oxford
- Spouse(s): Utsana Saligupta
- Children: Seri Pramoj; Usni Pramoj; Neeyana Pramoj
- Previous Positions: Leader of the Opposition in House of Representatives of Thailand (12 February 1969 – 17 November 1971); Minister of Justice (24 November 1947 – 21 February 1948)
Sanya Dharmasakti, Prime Minister
- Full Name: Sanya Dharmasakti
- Assumed Office: 14 October 1973
- Left Office: 26 February 1975
- Predecessor: Thanom Kittikachorn
- Successor: Seni Pramoj
- Born: 5 April 1907
- Birth Place: Bangkok Yai, Thonburi, Siam
- Died: 6 January 2002
- Alma Mater: Thammasat University Middle Temple
- Spouse(s): Pa-nga Dharmasakti (1912-2001)
- Previous Positions: Rector of Thammasat University (1 April 1971 – 16 October 1973); President of the Supreme Court (1 October 1963 – 1 October 1967)
Thanom Kittikachorn, Prime Minister
- Full Name: Thanom Kittikachorn
- Assumed Office: 9 December 1963
- Left Office: 14 October 1973
- Predecessor: Sarit Thanarat
- Successor: Sanya Dharmasakti
- Born: 11 August 1911
- Birth Place: Mueang Tak, Tak, Siam
- Died: 16 June 2004
- Alma Mater: The Cartography School and the Infantry School, and graduated from the National Defense College in its first class
- Spouse(s): Jongkol Thanad-rob
- Children: 6, including Narong
- Previous Positions: Supreme Commander of the Armed Forces (11 December 1963 – 30 September 1973); Commander in Chief of the Royal Thai Army (11 December 1963 – 1 October 1964); Military service
Sarit Thanarat, Prime Minister
- Full Name: Sarit Thanarat
- Assumed Office: 9 February 1959
- Left Office: 8 December 1963
- Predecessor: Thanom Kittikachorn
- Successor: Thanom Kittikachorn
- Born: 16 June 1908
- Birth Place: Bangkok, Siam
- Died: 8 December 1963
- Alma Mater: Chulachomklao Royal Military Academy
- Spouse(s): Nuanchan Thanarat (two children); , Chawee (two children); , Praima (two children); , Vichitra Thanarat (no children, but adopted nephew and gave the Thanarat last name)
- Previous Positions: Minister of Defence (31 March 1957 – 12 September 1957); Military service
Thanom Kittikachorn, Prime Minister
- Full Name: Thanom Kittikachorn
- Assumed Office: 1 January 1958
- Left Office: 20 October 1958
- Predecessor: Pote Sarasin
- Successor: Sarit Thanarat
- Born: 11 August 1911
- Birth Place: Mueang Tak, Tak, Siam
- Died: 16 June 2004
- Alma Mater: Army Cadet Academy
- Spouse(s): Jongkol Thanad-rob
- Children: 6, including Narong
- Previous Positions: Deputy cooperatives (1955); Defence minister (1957
Pote Sarasin, Prime Minister
- Full Name: Pote Sarasin
- Assumed Office: 21 September 1957
- Left Office: 26 December 1957
- Predecessor: Plaek Phibunsongkhram
- Successor: Thanom Kittikachorn
- Born: 25 March 1905
- Birth Place: Bangkok, Siam
- Died: 28 September 2000
- Alma Mater: Wilbraham Academy
- Spouse(s): Thanpuying Siri Sarasin
- Children: Pong Sarasin; Pao Sarasin; Bandit Bunyapana; Pimsiri Na Songkhla; Arsa Sarasin; Suphat Sarasin
- Previous Positions: Secretary General of the Southeast Asia Treaty Organization (5 September 1957 – 22 September 1957)
Sarit Thanarat, Prime Minister
- Full Name: Sarit Thanarat
- Assumed Office: 16 September 1957
- Left Office: 21 September 1957
- Predecessor: Plaek Phibunsongkhram
- Successor: Thanom Kittikachorn
- Born: 16 June 1908
- Birth Place: Bangkok, Siam
- Died: 8 December 1963
- Alma Mater: Chulachomklao Royal Military Academy
- Spouse(s): Nuanchan Thanarat (two children); , Chawee (two children); , Praima (two children); , Vichitra Thanarat (no children, but adopted nephew and gave the Thanarat last name)
- Previous Positions: Minister of Defence (31 March 1957 – 12 September 1957 ); Military service
Plaek Phibunsongkhram, Prime Minister
- Full Name: Plaek Phibunsongkhram
- Assumed Office: 8 April 1948
- Left Office: 16 September 1957
- Political Party: Seri Manangkhasila Party (1955–57)
- Predecessor: Khuang Aphaiwong
- Successor: Pote Sarasin
- Born: 14 July 1897
- Birth Place: Mueang Nonthaburi, Nonthaburi, Siam
- Died: 11 June 1964
- Alma Mater: Chulachomklao Royal Military Academy
- Spouse(s): La-iad Bhandhukravi
- Children: 6, including Nitya
- Previous Positions: Minister of Defence (28 June 1949 – 26 February 1957); Minister of Foreign Affairs (15 December 1941 – 19 June 1942); Minister of Commerce (4 February 1954 – 23 March 1954); Finance Minister of Thailand (13 October 1949 – 18 July 1950); Minister of Interior (13 October 1949 – 18 July 1950); Minister of Education (1942–1942); Supreme Commander of the Armed Forces (13 November 1940 – 24 November 1943); Commander in Chief of the Royal Thai Army (4 January 1938 – 5 August 1944)
Khuang Aphaiwong, Prime Minister
- Full Name: Khuang Aphaiwong
- Assumed Office: 10 November 1947
- Left Office: 8 April 1948
- Political Party: Democrat Party
- Predecessor: Thawan Thamrongnawasawat
- Successor: Plaek Phibunsongkhram
- Born: 17 May 1902
- Birth Place: Phra Tabong, Siam, (Now Battambang, Cambodia)
- Died: 15 March 1968
- Alma Mater: Debsirin School and Assumption College, Bangkok
- Spouse(s): Lekha Kunadilok
Phin Choonhavan, Prime Minister
- Full Name: Phin Choonhavan
- Assumed Office: 8 November 1947
- Left Office: 10 November 1947
- Predecessor: Thawan Thamrongnawasawat
- Successor: Khuang Aphaiwong
- Born: 14 August 1891
- Birth Place: Samut Songkhram, Siam
- Died: 26 January 1973
- Previous Positions: Thai military leader
Thawan Thamrongnawasawat, Prime Minister
- Full Name: Thawan Thamrongnawasawat
- Assumed Office: 23 August 1946
- Left Office: 8 November 1947
- Political Party: Khana Ratsadon
- Predecessor: Pridi Banomyong
- Successor: Khuang Aphaiwong
- Born: 21 November 1901
- Birth Place: Ayutthaya, Ayutthaya, Siam
- Died: 3 December 1988
- Alma Mater: Ayutthaya Wittayalai School; Debsirin School; Chulalongkorn University; Royal Thai Naval Academy
- Spouse(s): Chalaem Tharisawat; Rabiap Thamrongnawasawat; Banchong Thamrongnawasawat
- Previous Positions: Minister of Justice (11 June 1946 – 23 August 1946 ); Minister of Interior (February 1935 – December 1938 ); Military service
Pridi Banomyong, Prime Minister
- Full Name: Pridi Banomyong
- Assumed Office: 24 March 1946
- Left Office: 23 August 1946
- Political Party: Khana Ratsadon
- Predecessor: Khuang Aphaiwong
- Successor: Thawan Thamrongnawasawat
- Born: 11 May 1900
- Birth Place: Ayutthaya, Siam
- Died: 2 May 1983
- Alma Mater: University of Paris (Ph.D) Thai Royal College of Law
- Spouse(s): Poonsuk Banomyong
- Children: 6
- Previous Positions: Regent of Thailand (16 December 1941 – 5 December 1945 ); Finance Minister of Thailand (20 December 1938 – 16 December 1941 ); Minister of Foreign Affairs (12 July 1936 – 21 December 1938 ); Minister of Interior (29 March 1934 – 12 February 1935 )
Khuang Aphaiwong, Prime Minister
- Full Name: Khuang Aphaiwong
- Assumed Office: 31 January 1946
- Left Office: 24 March 1946
- Political Party: Democrat Party
- Predecessor: Seni Pramoj
- Successor: Pridi Banomyong
- Born: 17 May 1902
- Birth Place: Phra Tabong, Siam, (Now Battambang, Cambodia)
- Died: 15 March 1968
- Alma Mater: Debsirin School and Assumption College, Bangkok, Ecole Centrale de Lyon in France
- Spouse(s): Lekha Kunadilok
Seni Pramoj, Prime Minister
- Full Name: Seni Pramoj
- Assumed Office: 17 September 1945
- Left Office: 31 January 1946
- Political Party: Democrat Party
- Predecessor: Thawi Bunyaket
- Successor: Khuang Abhaiwongse
- Born: 26 May 1905
- Birth Place: Nakhon Sawan, Siam
- Died: 28 July 1997
- Alma Mater: Worcester College, Oxford
- Spouse(s): Utsana Saligupta
- Children: Seri Pramoj; Usni Pramoj; Neeyana Pramoj
Thawi Bunyaket, Prime Minister
- Full Name: Thawi Bunyaket
- Assumed Office: 31 August 1945
- Left Office: 17 September 1945
- Political Party: Khana Ratsadon
- Predecessor: Khuang Abhaiwongse
- Successor: Seni Pramoj
- Born: 10 November 1904
- Birth Place: Kantang, Trang, Siam
- Died: 3 November 1971
- Alma Mater: Kings College University of Cambridge École nationale supérieure dAgronomie de Grignon
- Spouse(s): Amphasri Bunyaket
- Previous Positions: Minister of Education (1 August 1944 – 31 August 1945)
Khuang Aphaiwong, Prime Minister
- Full Name: Khuang Aphaiwong
- Assumed Office: 1 August 1944
- Left Office: 31 August 1945
- Political Party: Democrat Party
- Predecessor: Plaek Phibunsongkhram
- Successor: Thawi Bunyaket
- Born: 17 May 1902
- Birth Place: Phra Tabong, Siam, (Now Battambang, Cambodia)
- Died: 15 March 1968
- Alma Mater: Assumption College, Bangkok; Ecole Centrale de Lyon, France
- Spouse(s): Lekha Kunadilok
- Previous Positions: Head of the mission to Battambang (July 1941); Minister of commerce and communications
Plaek Phibunsongkhram, Prime Minister
- Full Name: Plaek Phibunsongkhram
- Assumed Office: 16 December 1938
- Left Office: 1 August 1944
- Political Party: Seri Manangkhasila Party (1955–57)
- Predecessor: Khuang Aphaiwong
- Successor: Pote Sarasin
- Born: 14 July 1897
- Birth Place: Mueang Nonthaburi, Nonthaburi, Siam
- Died: 11 June 1964
- Alma Mater: Chulachomklao Royal Military Academy
- Spouse(s): La-iad Bhandhukravi
- Children: 6, including Nitya
- Previous Positions: Minister of Defence (22 September 1934 – 15 November 1943 ); Minister of Foreign Affairs (15 December 1941 – 19 June 1942); Minister of Education (1942–1942); Supreme Commander of the Armed Forces (13 November 1940 – 24 November 1943);
Phraya Phahonphonphayuhasena, Prime Minister of Siam
- Full Name: Phraya Phahonphonphayuhasena
- Assumed Office: 21 June 1933
- Left Office: 13 December 1938
- Political Party: Khana Ratsadon
- Predecessor: Phraya Manopakorn Nititada
- Successor: Plaek Phibunsongkhram
- Born: 29 March 1887
- Birth Place: Bangkok, Siam
- Died: 14 July 1947
- Alma Mater: Royal Siamese Military Academy Prussian Military Academy
- Spouse(s): Phit Phahonphonphayuhasena (Div.); Bunlong Phahonphonphayuhasena
- Children: 7
- Previous Positions: Minister of Agriculture and Cooperatives (9 August 1937 – 21 December 1937); Minister of Finance (1 August 1935 – 12 February 1936 ); Minister of Foreign Affairs (22 September 1934 – 1 August 1935 ); Minister of Defence (1 April 1934 – 22 September 1934 ); Minister of Interior (16 December 1933 – 29 March 1934 ); Minister of Public Instruction (16 December 1933 – 29 March 1934 ); Commander in Chief of the Royal Thai Army (6 August 1932 – 1 January 1938 ); Military service
Phraya Manopakorn Nititada, Prime Minister of Siam
- Full Name: Phraya Manopakorn Nititada
- Assumed Office: 28 June 1932
- Left Office: 20 June 1933
- Political Party: Khana Ratsadon
- Successor: Phraya Phahonphonphayuhasena
- Born: 15 July 1884
- Birth Place: Bangkok, Siam
- Died: 1 October 1948
- Alma Mater: Assumption College; Law School of the Ministry of Justice
- Spouse(s): Nit Sanasen (Deceased); Choei Hutasingha
- Children: Tum Hutasingha
- Previous Positions: Minister of Treasury (29 June 1932 – 10 December 1932 )
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