| Sr.no. |
Chief Ministers Name |
Took Office |
Left Office |
Party Name |
| 1 | Sri Krishna Sinha | 04/02/46 | 01/31/61 | Indian National Congress |
| 2 | Deep Narayan Singh | 02/01/61 | 02/18/61 | Indian National Congress |
| 3 | Binodanand Jha | 02/18/61 | 10/02/63 | Indian National Congress |
| 4 | Krishana Ballabh Sahay | 10/02/63 | 03/05/67 | Indian National Congress |
| 5 | Mahamaya Prasad Sinha | 03/05/67 | 01/28/68 | Jana Kranti Dal1 |
| 6 | Satish Prasad Singh | 01/28/68 | 02/01/68 | Indian National Congress |
| 7 | B. P. Mandal | 02/01/68 | 03/02/68 | Indian National Congress |
| 8 | Bhola Paswan Shashtri | 03/22/68 | 06/29/68 | Indian National Congress (O) |
| 9 | President's rule | 06/29/68 | 02/26/69 | |
| 10 | Harihar Singh | 02/26/69 | 06/22/69 | Indian National Congress |
| 11 | Bhola Paswan Shashtri | 06/22/69 | 07/04/69 | Indian National Congress (O) |
| 12 | President's rule | 07/06/69 | 02/16/70 | |
| 13 | Daroga Prasad Rai | 02/16/70 | 12/22/70 | Indian National Congress |
| 14 | Karpuri Thakur | 12/22/70 | 06/02/71 | Socialist Party |
| 15 | Bhola Paswan Shashtri | 06/02/71 | 01/09/72 | Indian National Congress |
| 16 | President's rule | 01/09/72 | 03/19/72 | |
| 17 | Kedar Pandey | 03/19/72 | 07/02/73 | Indian National Congress |
| 18 | Abdul Gafoor | 07/02/73 | 04/11/75 | Indian National Congress |
| 19 | Dr.Jagannath Mishra | 04/11/75 | 04/30/77 | Indian National Congress |
| 20 | President's rule | 04/30/77 | 06/24/77 | |
| 21 | Karpuri Thakur | 06/24/77 | 04/21/79 | Janata Party |
| 22 | Ram Sunder Das | 04/21/79 | 02/17/80 | Janata Party |
| 23 | President's rule | 02/17/80 | 06/08/80 | |
| 24 | Dr.Jagannath Mishra | 06/08/80 | 08/14/83 | Indian National Congress (I) |
| 25 | Chandrashekhar Singh | 08/14/83 | 03/12/85 | Indian National Congress (I) |
| 26 | Bindeshwari Dubey | 03/12/85 | 02/13/88 | Indian National Congress (I) |
| 27 | Bhagwat Jha Azad | 02/14/88 | 03/10/89 | Indian National Congress (I) |
| 28 | Satyendra Narayan Singh | 03/11/89 | 12/06/89 | Indian National Congress (I) |
| 29 | Dr.Jagannath Mishra | 12/06/89 | 03/10/90 | Indian National Congress (I) |
| 30 | Laloo Prasad Yadav | 03/10/90 | 03/03/95 | Janata Dal |
| 31 | Laloo Prasad Yadav | 04/04/95 | 07/25/97 | Janata Dal, Rashtriya Janata Dal |
| 32 | Rabri Devi | 07/25/97 | 02/11/99 | Rashtriya Janata Dal |
| 33 | Rabri Devi | 03/09/99 | 03/02/00 | Rashtriya Janata Dal |
| 34 | Nitish Kumar | 03/03/00 | 03/10/00 | Janata Dal (United) |
| 35 | Rabri Devi | 03/11/00 | 03/06/05 | Rashtriya Janata Dal |
| 36 | President's rule | 03/07/05 | 11/24/05 | |
| 37 | Nitish Kumar | 11/24/05 | 11/24/10 | Janata Dal (United) |
| 38 | Nitish Kumar | 11/26/10 | Present | Janata Dal (United) |
