| S.N. | Name | Duration |
|---|---|---|
| 1 | Mr. Krishna Prasad Bhattarai | 19 April 1990 AD. 31 May 1999 AD. |
| 2 | Mr. Girija Prasad Koirala | 29 May 1991 AD., 15 Apr 1998 AD. 12 May 2006 AD. |
| 3 | Mr. Madhav Kumar Nepal | 30 Nov 1994 AD. |
| 4 | Dr. Prakash Chandra Lohani | 12 Sep 1995 AD. 24 Mar 1997 AD. |
| 5 | Mr. Rabindra Nath Sharma | 12 Mar 1997 AD. |
| 6 | Dr. Ram Sharan Mahat | 30 Jun 1999 AD. |
| 7 | Mr. Chakra Prasad Bastola | 10 Apr 2000 AD. |
| 8 | Mr. Sher Bahadur Deuba | 26 Jul 2001 AD. 10 Jun 2004 AD. Oct 2017- 15 Feb 2018 |
| 9 | Mr. Narendra Bikram Shah | 11 Oct 2002 AD. |
| 10 | Mr. Surya Bahadur Thapa | 11 June 2003 AD. |
| 11 | Mr. Bhekh Bahadur Thapa | 5 March 2004 AD. |
| 12 | Mr. Ramesh Nath Pandey | 2 Feb 2005 AD. |
| 13 | Mr. K.P. Sharma Oli | 22 May 2006 AD. |
| 14 | Ms. Sahana Pradhan | 1 Apr 2007 AD. |
| 15 | Mr. Upendra Yadav | 28 Aug 2008 AD. 4 May 2011 AD. |
| 16 | Ms. Sujata Koirala | June 2009 AD. |
| 17 | Mr. Narayan Kaji Shrestha 'Prakash' | 4 Sep 2011-Feb 2012 AD. |
| 18 | Mr. Narayan Kaji Shrestha 'Prakash' | May 2012-March 2013 AD. |
| 19 | Mr. Ishwor Pokhrel | 20-28 May 2012 AD |
| 20 | Mr. Madhav Prasad Ghimire | 14 Mar 2013 AD. |
| 21 | Mr. Mahendra Bahadur Pandey | 25 Feb 2014 AD. |
| 22 | Mr. Kamal Thapa | 11 Jun 1997 AD. 7 Oct 1997 AD. 3 Mar 2004 10 Oct 2015- |
| 23 | Dr. Prakash Sharan Mahat | 5 July 2005 AD. 26 August 2016 AD. |
| 24 | Mr. Krishna Bahadur Mahara | 6 Jun 2017 AD - 17 Oct 2017 AD |
| 25 | Mr. Pradeep Kumar Gyawali | 16 March 2018 AD - 4 June 2021AD |
| 26 | Mr. Raghubir Mahaseth | 04 June 2021 - 22 June 2021 |
| 27 | Mr. KP Sharma Oli | 24 June 2021 - 13 July 2021 |
| 28 | Dr. Narayan Khadka | 22 Sep 2021 - 25 Dec 2022 |
| 29 | Dr. Bimala Rai Paudyal | 17 Jan 2023 - 27 Feb 2023 |
| 30 | Mr. N.P. Saud | 16 April 2023 - 5 March 2024 |
| 31 | Mr. Narayan Kaji Shrestha | 6 March 2024 |