List of defence ministers of Thailand
This is a list of ministers of defence of Thailand. Until the appointment of the incumbent, Sutin Klungsang, aside from Prime Ministers holding the post concurrently, all ministers had been active-duty or retired flag officers. Sutin is the first civilian to be the head of the Ministry of Defence without holding the post of Prime Minister simultaneously, which were held by five former prime ministers without a military background.
Minister of Defence of Siam
List of Siamese Ministers of Defense| No. | Portrait | Defence Minister | Took office | Left office |
| 12 | General Prince Narisara Nuwattiwong | 1894 | 1899 | |
| 13 | Major General Prince Prachaksinlapakhom | 1899 | 1901 | |
| 14 | Field Marshal Prince Bhanurangsi Savangwongse | 1901 | 1910 | |
| 15 | Field Marshal Prince Chirapravati Voradej | 11 December 1910 | 4 February 1913 | |
| 16 | Field Marshal Chaophraya Bodindechanuchit (Arun Chatrakul) | 1913 | 26 August 1921 | |
| 17 | General Chaophraya Bodindechanuchit (Yam Na Nakhon) | 26 August 1921 | 4 August 1926 | |
| 18 | Field Marshal Prince Paribatra Sukhumbandhu | 24 August 1926 | 31 March 1928 | |
| 19 | General Prince Boworadej | 1 April 1928 | 19 June 1931 | |
| 20 | Admiral Prince Vudhijaya Chalermlabha | 8 November 1931 | 19 June 1932 | |
| 21 | Vice Admiral Phraya Ratchawangsan | 12 August 1932 | 10 December 1932 |
Minister of Defence of Thailand
List of ministers of defence of Thailand| No. | Portrait | Defence Minister | Cabinet | Took office | Left office | Prime minister |
| 21 | Vice Admiral Phraya Ratchawangsan | 2 | 10 December 1932 | 1 April 1933 | Phraya Manopakorn Nititada | |
| 21 | Vice Admiral Phraya Ratchawangsan | 3 | 1 April 1933 | 20 June 1933 | Phraya Manopakorn Nititada | |
| 22 | Major General Phraya Prasertsongkram | 4 | 21 June 1933 | 16 December 1933 | Phraya Phahonphonphayuhasena | |
| 22 | Major General Phraya Prasertsongkram | 5 | 16 December 1933 | 1 April 1934 | Phraya Phahonphonphayuhasena | |
| Colonel Phraya Phahonphonphayuhasena | 5 | 1 April 1934 | 22 September 1934 | Phraya Phahonphonphayuhasena | ||
| Field Marshal Plaek Phibunsongkhram | 6 | 22 September 1934 | 9 August 1937 | Phraya Phahonphonphayuhasena | ||
| Field Marshal Plaek Phibunsongkhram | 7 | 10 August 1937 | 21 December 1937 | Phraya Phahonphonphayuhasena | ||
| Field Marshal Plaek Phibunsongkhram | 8 | 21 December 1937 | 16 December 1938 | Phraya Phahonphonphayuhasena | ||
| Field Marshal Plaek Phibunsongkhram | 9 | 21 December 1938 | 19 August 1941 | Plaek Phibunsongkhram | ||
| General Mangkorn Phromyothi | 9 | 19 August 1941 | 15 December 1941 | Plaek Phibunsongkhram | ||
| Field Marshal Plaek Phibunsongkhram | 9 | 15 December 1941 | 7 March 1942 | Plaek Phibunsongkhram | ||
| Field Marshal Plaek Phibunsongkhram | 10 | 10 March 1942 | 15 November 1943 | Plaek Phibunsongkhram | ||
| Lieutenant General Phichit Kriangsakphichit | 10 | 15 November 1943 | 1 August 1944 | Plaek Phibunsongkhram | ||
| Admiral Sindhu Kamalanavin | 11 | 2 August 1944 | 31 August 1945 | Khuang Aphaiwong | ||
| 28 | Lieutenant General Chit Munsilpa Sinadyodharaksa | 12 | 31 August 1945 | 17 September 1945 | Tawee Boonyaket | |
| 28 | Lieutenant General Chit Munsilpa Sinadyodharaksa | 13 | 19 September 1945 | 14 October 1945 | Seni Pramoj | |
| 29 | Lieutenant General Jira Wichitsongkhram | 13 | 14 October 1945 | 31 January 1946 | Seni Pramoj | |
| 28 | Lieutenant General Chit Munsilpa Sinadyodharaksa | 14 | 2 February 1946 | 24 March 1946 | Khuang Aphaiwong | |
| 29 | Lieutenant General Jira Wichitsongkhram | 15 | 24 March 1946 | 11 June 1946 | Pridi Banomyong | |
| 29 | Lieutenant General Jira Wichitsongkhram | 16 | 11 June 1946 | 23 August 1946 | Pridi Banomyong | |
| 29 | Lieutenant General Jira Wichitsongkhram | 17 | 24 August 1946 | 30 May 1947 | Thawan Thamrongnawasawat | |
| 29 | Lieutenant General Jira Wichitsongkhram | 18 | 31 May 1947 | 8 November 1947 | Thawan Thamrongnawasawat | |
| 30 | Lieutenant General Suk Chatnakrob | 19 | 11 November 1947 | 21 February 1948 | Khuang Aphaiwong | |
| 30 | Lieutenant General Suk Chatnakrob | 20 | 25 February 1948 | 8 April 1948 | Khuang Aphaiwong | |
| 30 | Lieutenant General Suk Chatnakrob | 21 | 15 April 1948 | 25 June 1949 | Plaek Phibunsongkhram | |
| Field Marshal Plaek Phibunsongkhram | 22 | 28 June 1949 | 29 November 1951 | Plaek Phibunsongkhram | ||
| Field Marshal Plaek Phibunsongkhram | 23 | 29 November 1951 | 6 December 1951 | Plaek Phibunsongkhram | ||
| Field Marshal Plaek Phibunsongkhram | 24 | 8 December 1951 | 23 March 1952 | Plaek Phibunsongkhram | ||
| Field Marshal Plaek Phibunsongkhram | 25 | 23 March 1952 | 26 February 1957 | Plaek Phibunsongkhram | ||
| Field Marshal Sarit Thanarat | 26 | 31 March 1957 | 16 September 1957 | Plaek Phibunsongkhram | ||
| Field Marshal Thanom Kittikachorn | 27 | 23 September 1957 | 26 December 1957 | Pote Sarasin | ||
| Field Marshal Thanom Kittikachorn | 28 | 1 January 1958 | 20 October 1958 | Thanom Kittikachorn | ||
| 32 | Field Marshal Thanom Kittikachorn | 29 | 10 February 1958 | 8 December 1962 | Sarit Thanarat | |
| 32 | Field Marshal Thanom Kittikachorn | 30 | 11 December 1962 | 7 March 1969 | Thanom Kittikachorn | |
| Field Marshal Thanom Kittikachorn | 31 | 11 March 1969 | 17 November 1971 | Thanom Kittikachorn | ||
| Field Marshal Thanom Kittikachorn | 32 | 19 December 1972 | 14 October 1973 | Thanom Kittikachorn | ||
| 33 | Air Chief Marshal Dawee Chullasapya | 33 | 16 October 1973 | 22 May 1974 | Sanya Dharmasakti | |
| 34 | General Kruyn Sutathanin | 34 | 30 May 1974 | 22 May 1975 | Sanya Dharmasakti | |
| 35 | General Tawich Seneewong | 35 | 15 February 1975 | 13 March 1975 | Seni Pramoj | |
| Police General Pramarn Adireksarn | 36 | 17 March 1975 | 12 January 1976 | Kukrit Pramoj | ||
| 37 | General Kris Sivara | 37 | 21 April 1976 | 28 April 1976 | Seni Pramoj | |
| 35 | General Tawich Seneewong | 37 | 28 April 1976 | 24 August 1976 | Seni Pramoj | |
| Mom Rajawongse Seni Pramoj | 37 | 27 August 1976 | 23 September 1976 | Seni Pramoj | ||
| 39 | Admiral Sangad Chaloryu | 38 | 5 October 1976 | 6 October 1976 | Seni Pramoj | |
| 39 | Admiral Sangad Chaloryu | 39 | 22 October 1976 | 20 October 1977 | Thanin Kraivichien | |
| 40 | General Lek Neawmalee | 40 | 12 November 1977 | 11 August 1977 | Kriangsak Chamanan | |
| 41 | General Kriangsak Chamanan | 40 | 11 August 1977 | 11 May 1979 | Kriangsak Chamanan | |
| 42 | General Prem Tinsulanonda | 41 | 24 May 1979 | 3 March 1980 | Kriangsak Chamanan | |
| 42 | General Prem Tinsulanonda | 42 | 21 March 1980 | 19 March 1983 | Prem Tinsulanonda | |
| 42 | General Prem Tinsulanonda | 43 | 7 May 1983 | 5 August 1986 | Prem Tinsulanonda | |
| 43 | Air Chief Marshal Panieng Karntarat | 44 | 11 August 1986 | 3 August 1988 | Prem Tinsulanonda | |
| General Chatichai Choonhavan | 45 | 4 August 1988 | 29 March 1990 | Chatichai Choonhavan | ||
| 45 | General Chavalit Yongchaiyudh | 45 | 30 March 1990 | 21 June 1990 | Chatichai Choonhavan | |
| General Chatichai Choonhavan | 45 | 21 June 1990 | 9 December 1990 | Chatichai Choonhavan | ||
| General Chatichai Choonhavan | 46 | 14 December 1990 | 23 February 1991 | Chatichai Choonhavan | ||
| 46 | Admiral Praphat Kritsanajun | 47 | 6 March 1991 | 22 March 1992 | Anand Panyarachun | |
| 47 | General Suchinda Kraprayoon | 48 | 17 April 1992 | 24 May 1992 | Suchinda Kraprayoon | |
| 48 | General Banjob Bunnag | 49 | 18 June 1992 | 23 September 1992 | Anand Panyarachun | |
| 49 | General Vijit Sukmak | 50 | 29 September 1992 | 13 July 1995 | Chuan Leekpai | |
| 45 | General Chavalit Yongchaiyudh | 51 | 13 July 1995 | 24 November 1996 | Banharn Silpa-archa | |
| 45 | General Chavalit Yongchaiyudh | 52 | 29 November 1996 | 8 September 1997 | Chavalit Yongchaiyudh | |
| Chuan Leekpai | 53 | 14 September 1997 | 5 February 2001 | Chuan Leekpai | ||
| General Chavalit Yongchaiyudh | 54 | 17 February 2001 | 3 October 2002 | Thaksin Shinawatra | ||
| General Chavalit Yongchaiyudh | 54 | 17 February 2001 | 3 October 2002 | Thaksin Shinawatra | ||
| General Thammarak Isarangkura na Ayudhaya | 54 | 3 October 2002 | 9 March 2004 | Thaksin Shinawatra | ||
| General Chettha Thanajaro | 54 | 10 March 2004 | 5 October 2004 | Thaksin Shinawatra | ||
| 53 | General Sampan Boonyanan | 54 | 6 October 2004 | 11 March 2005 | Thaksin Shinawatra | |
| General Thammarak Isarangkura na Ayudhaya | 55 | 11 March 2005 | 19 September 2006 | Thaksin Shinawatra | ||
| 54 | General Boonrod Somthat | 56 | 9 October 2006 | 5 February 2008 | Surayud Chulanont | |
| Samak Sundaravej | 57 | 6 February 2008 | 9 September 2008 | Samak Sundaravej | ||
| Somchai Wongsawat | 58 | 24 September 2008 | 2 December 2008 | Somchai Wongsawat | ||
| 57 | General Prawit Wongsuwan | 59 | 20 December 2008 | 9 August 2011 | Abhisit Vejjajiva | |
| General Yuthasak Sasiprapha | 60 | 9 August 2011 | 18 January 2012 | Yingluck Shinawatra | ||
| Air Chief Marshal Sukampol Suwannathat | 60 | 18 January 2012 | 30 June 2013 | Yingluck Shinawatra | ||
| Yingluck Shinawatra | 60 | 30 June 2013 | 7 May 2014 | Yingluck Shinawatra | ||
| 57 | General Prawit Wongsuwan | 61 | 30 August 2014 | 10 July 2019 | Prayut Chan-o-cha | |
| 61 | General Prayut Chan-o-cha | 62 | 10 July 2019 | 1 September 2023 | Prayut Chan-o-cha | |
| Sutin Klungsang | 63 | 1 September 2023 | 3 September 2024 | Srettha Thavisin | ||
| Phumtham Wechayachai | 64 | 3 September 2024 | 30 June 2025 | Paetongtarn Shinawatra | ||
| — | General Natthaphon Narkphanit | 64 | 30 June 2025 | 19 September 2025 | Paetongtarn Shinawatra | |
| 64 | General Natthaphon Narkphanit | 65 | 19 September 2025 | Incumbent | Anutin Charnvirakul |