| Deo Narayan Yadav | |
| Birth Place: | Madhubani, Bihar, India |
| Residence: | Patna, Bihar |
| Death Date: | 4 March 2003 (82 years) |
| Death Place: | Patna, Bihar, India |
| Profession: | Politician Social Worker |
| Nationality: | Indian |
| Party: | Rashtriya Janata Dal (1995-till death) Janata Dal (Before-1995) |
| Website: | http://www.vidhansabha.bih.nic. |
| Office: | 12th Speaker of the Bihar Legislative Assembly[1] |
| Term Start: | 12 April 1995 |
| Term End: | 06 March 2003 |
| Predecessor: | Ghulam Sarwar |
| Successor: | Sadanand Singh |
| Order1: | Member of Bihar Legislative Assembly, Babubarhi constituency |
| Term Start1: | 2000 |
| Term End1: | 2003 |
| Predecessor1: | Self |
| Successor1: | Uma Kant Yadav |
| Order2: | Member of Bihar Legislative Assembly, Babubarhi constituency |
| Term Start2: | 1995 |
| Term End2: | 2000 |
| Predecessor2: | Self |
| Order3: | Member of Bihar Legislative Assembly, Babubarhi constituency |
| Term Start3: | 1990 |
| Term End3: | 1995 |
| Predecessor3: | Self |
| Successor3: | Self |
| Order4: | Member of Bihar Legislative Assembly, Babubarhi constituency |
| Term Start4: | 1977 |
| Term End4: | 1980 |
| Predecessor4: | Constituency Not exit |
| Successor4: | Mahendra Narayan Jha |
Deo Narayan Yadav (died 4 March, 2003) was an Indian politician and freedom fighter, elected first time 1952–1957 and 1957–1962 from Ladaniya constituency (now Babubarhi constituency). He was a member of the first ministry of Bihar led by Krishana Sinha.[2] Yadav served as the 12th Speaker of the Bihar Legislative Assembly from 1995–2000. He represented the Babubarhi Constituency in Madhubani from 1977–1980 and 1990-till death. Yadav died at his official residence on Tuesday, 82 years old and sitting Rashtriya Janata Dal MLA from Babubarhi assembly seat in Madhubani. Bihar Governor V C Pande, assembly Speaker Sadanand Singh, Bihar Legislative Council chairman Prof. Jabir Hussain, Chief Minister Rabri Devi and RJD supremo's Lalu Prasad Yadav expressed grief and shock at the sudden demise of Yadav.