President of the National Assembly of Thailand
| President of the National Assembly ประธานรัฐสภา | |
|---|---|
 Seal of the Parliament of Thailand | |
 Standard of the President Of the National Assembly of Thailand | |
| Style | Mr. President / Than Prathan Thi Khao Rop |
| Nominator | Vote within the House of Representatives |
| Appointer | HM The King of Thailand |
| Inaugural holder | Chaophraya Thammasakmontri |
| Formation | 28 June 1932 |
The President of the National Assembly (Thai: ประธานรัฐสภา; RTGS: Prathan Ratthasapha; IPA: [prà.tʰaːn rát.tʰà.sà.pʰaː]) is the presiding officer (speaker) of the National Assembly of Thailand.
List
| No. | Term | Name | Term start | Term ends | Note |
|---|---|---|---|---|---|
| 1 | (1) | Chaophraya Thammasakmontri (Sanan Thephasadin na Ayutthaya) | 28 June 1932 | 1 September 1932 | First President of the National Assembly |
| 2 | Chao Phya Pichaiyart (Dhan Bunnag) | 2 September 1932 | 10 December 1933 | President of the People's Assembly | |
| (2) | Chaophraya Thammasakmontri | 15 December 1933 | 26 February 1934 | President of the People's Assembly | |
| 3 | (1) | Phraya Sorayudthasenee (Krasea Pravahanavin) | 26 February 1934 | 22 September 1934 | President of the People's Assembly |
| 4 | Chao Phya Sridhamadhibes (Chita na Songkhla) | 22 September 1934 | 22 July 1936 | President of the People's Assembly | |
| 5 | (1) | Phya Manavarajasevee (Plod Vichear na Songklha) | 3 August 1936 | 10 December 1937 | President of the People's Assembly |
| (2) | Phya Sorayudthasenee | 6 July 1943 | 24 June 1944 | President of the People's Assembly | |
| (2) | Phya Manavarajasevee | 2 July 1944 | 24 June 1945 | President of the People's Assembly | |
| 6 | Vilas Osatananda | 4 June 1946 | 24 August 1946 | President of the Senate | |
| (3) | Phya Sorayudthasenee | 31 August 1946 | 8 November 1947 | President of the Senate | |
| (2) | Chao Phya Sridhamadhibes | 26 November 1947 | 29 November 1951 | President of the Senate | |
| 7 | Phra Prachonpachanuk (Phok Mahadilok) | 1 December 1951 | 20 October 1957 | Speaker of the House of Representatives | |
| 8 | (1) | Luang Sudhisararonakara (Suthi Sukhavatee) | 20 September 1957 | 14 December 1957 | Speaker of the House |
| (2) | Phra Prachonpachanuk | 6 February 1958 | 17 April 1968 | President of the Constitution Drafting Assembly | |
| 9 | Tawee Boonyaket | 8 May 1968 | 20 June 1968 | President of the Constitution Drafting Assembly | |
| 10 | Colonel Vorkarnbancha (Boonkerd Stantanont) | 22 July 1968 | 17 November 1971 | President of the Senate | |
| 11 | Siri Siriyothin | 18 December 1972 | 11 December 1973 | President of the National Legislative Assembly | |
| 12 | Kukrit Pramoj | 29 December 1973 | 7 October 1974 | President of the National Legislative Assembly | |
| 13 | Praphas Ouchai | 17 October 1974 | 25 January 1975 | President of the National Legislative Assembly | |
| 14 | Prasit Kanjonwat | 7 February 1975 | 12 January 1976 | Speaker of the House | |
| 15 | (1) | Uthai Pimjaichon | 19 April 1976 | 6 October 1976 | Speaker of the House |
| 16 | Kamol Dechatungka | 22 October 1976 | 20 February 1976 | President of the Prime Ministerial Consultative Assembly | |
| 17 | (1) | Harin Hongsakul | 28 November 1976 | 20 October 1977 | President of the National Reform Assembly |
| (2) | Harin Hongsakul | 25 November 1977 | 22 April 1979 | President of the National Legislative Assembly | |
| (3) | Harin Hongsakul | 9 May 1979 | 19 March 1983 | President of the Senate | |
| 18 | Charubutr Ruangsuwan | 26 April 1983 | 19 March 1984 | President of the Senate | |
| 19 | (1) | Ukrit Mongkolnavin | 30 April 1984 | 21 April 1989 | President of the Senate |
| 20 | Van Chanchue | 4 May 1989 | 23 February 1991 | President of the Senate | |
| (2) | Ukrit Mongkolnavin | 2 April 1991 | 21 March 1992 | President of the National Legislative Assembly | |
| (3) | Ukrit Mongkolnavin | 3 April 1992 | 26 May 1992 | President of the Senate | |
| 21 | (1) | Meechai Ruchuphan | 28 June 1992 | 29 June 1992 | President of the Senate |
| 22 | Marut Bunnag | 22 September 1992 | 19 May 1995 | Speaker of the House | |
| 23 | Booneua Prasertsuwan | 11 July 1995 | 27 September 1996 | Speaker of the House | |
| 24 | Wan Muhamad Noor Matha | 24 November 1996 | 27 June 2000 | Speaker of the House | |
| 25 | Bhichai Rattakul | 30 June 2000 | 9 November 2000 | Speaker of the House | |
| (2) | Uthai Pimjaichon | 6 February 2001 | 5 January 2005 | Speaker of the House | |
| 26 | Bhokin Bhalakula | 6 January 2005 | 24 February 2006 | Speaker of the House | |
| (2) | Meechai Ruchuphan | 11 October 2006 | 19 March 2008 | President of the National Legislative Assembly | |
| 27 | Yongyut Tiyapairach | 23 January 2008 | 30 April 2008 | Speaker of the House; resignation after the Election Commission took a case of electoral fraud against him to the constitutional court. | |
| Prasobsook Boondech | 19 March 2008 | 15 May 2008 | President of the Senate (Acting) | ||
| 28 | Chai Chidchob | 15 May 2008 | 10 May 2011 | Speaker of the House | |
| Teeradej Meepien | 10 May 2011 | 3 August 2011 | President of the Senate (Acting) | ||
| 29 | Somsak Kiatsuranont | 3 August 2011 | 9 December 2013 | Speaker of the House | |
| Surachai Leangboonleodchai | 9 May 2014 | 24 May 2014 | President of the Senate (Acting) | ||
| 30 | Pornpech Wichitcholchai | 17 August 2014 | 21 May 2019 | President of the National Legislative Assembly | |
| 31 | Chuan Leekpai | 28 May 2019 | 15 May 2023 | Speaker of the House | |
| 32 | Pita Limjaroenrat | 15 May 2023 | 1 December 2024 | ||
| 33 | Thaksin Shinawatra | 1 December 2025 | 30 August 2025 | ||
| 34 | Chaikasem Nitisiri | 30 August 2025 | Present |