| Office: | Minister of BC & EBC Welfare Government of Bihar |
| Term Start: | 15 March 2024 |
| 1Blankname: | Chief Minister |
| 1Namedata: | Nitish Kumar |
| Predecessor: | Prem Kumar |
| Office1: | Leader of the Opposition Bihar Legislative Council |
| Term Start1: | 20 August 2023 |
| Term End1: | 14 February 2024 |
| 1Blankname1: | Chief Minister |
| 1Namedata1: | Nitish Kumar |
| Predecessor1: | Samrat Choudhary |
| Successor1: | Rabri Devi |
| Office2: | Member of Bihar Legislative Council |
| Term Start2: | 22 July 2022 |
| Predecessor2: | Arjun Sahani |
| Constituency2: | elected by Members of Legislative Assembly |
| Birth Date: | 2 March 1964 |
| Birth Place: | Bahadurpur, Darbhanga district Bihar, India |
| Party: | Bharatiya Janata Party |
| Spouse: | Shanti Devi |
| Father: | Baso Sahni |
| Residence: | Patna |
| Alma Mater: | Lalit Narayan Mithila University |
| Profession: | Politician |
Hari Sahni is an Indian politician and the current Minister of Backward Classes & Extremely Backward Classes Welfare in the Government of Bihar.[1] He had also served as the leader of the opposition in the Bihar Legislative Council for 6 months from Aug-2023 to Feb-2024.[2] He is a member of the Bharatiya Janata Party and a member of Bihar Legislative Council since 2022.[3]
He had been the District President of BJP Darbhanga and had contested in 2015 Bihar Legislative Assembly election from Bahadurpur but had lost to Bhola Yadav of RJD by margin of 16,989 votes.