| Mudrika Singh Yadav | |
| Birth Name: | Mudrika Singh Yadav |
| Birth Place: | Soanbhadra, Karpi, Arwal India |
| Residence: | Patna, Bihar |
| Death Date: | 24 October 2017 (Age 74) |
| Death Place: | Patna, Bihar |
| Office: | Member of Bihar Legislative Assembly |
| Constituency: | Jehanabad |
| Term Start: | 2015 |
| Term End: | 2017 |
| Predecessor: | Abhiram Sharma |
| Successor: | Suday Yadav |
| Constituency1: | Kurtha |
| Term Start1: | 1990 |
| Term End1: | 1995 |
| Predecessor1: | Nagmani |
| Successor1: | Sahdev Prasad Yadav |
| Party: | Rashtriya Janata Dal |
| Children: | Suday Yadav |
| Alma Mater: | B.A., Gaya College, Magadh University |
| Profession: | Politician, Agriculturist |
Mudrika Singh Yadav was a senior most leader of the Rashtriya Janata Dal from Bihar. He was the Principal General Secretary of RJD. He had served in the Lalu Prasad Yadav ministry as Health minister. He was elected to Bihar Vidhan Sabha from Jehanabad in 2015 as a member of Rashtriya Janata Dal and from Kurtha as a member of Janata Dal in 1990. Yadav died on 24 October 2017 due to a head injury as well as dengue in Patna.