| Ambika Singh Yadav | |
| Birth Place: | VILL. BICHIYA, P.O-PACHILKHI, P.S-DURGAVATI, DIST. KAIMUR |
| Residence: | Patna, Bihar |
| Office: | Member of Bihar Legislative Assembly |
| Constituency: | Ramgarh |
| Term Start: | 2009 |
| Term End: | 2015 |
| Predecessor: | Jagada Nand Singh |
| Successor: | Ashok Kumar Singh |
| Party: | Bahujan Samaj Party (2020-till) |
| Otherparty: | Rashtriya Janata Dal (before-2020) |
| Profession: | Politician |
Ambika Singh Yadav is an Indian politician. He was elected to the Bihar Legislative Assembly from Ramgarh in 2009 but was defeated for re-election in 2015. He was during that time a member of the Rashtriya Janata Dal. In 2020, Yadav left Rashtriya Janata Dal and joined the Bahujan Samaj Party.[1]