| Birth Date: | 1 July 1952 |
| Birth Place: | Phulbani, Odisha, India |
| Occupation: | Educationalist, social worker, former politician |
| Office: | Member of the Lok Sabha for Phulbani |
| Party: | Indian National Congress |
| Primeminister1: | Indira Gandhi |
| Primeminister: | Atal Bihari Vajpayee Pamulaparthi Venkata Narasimha Rao |
| Predecessor: | Nakul Nayak |
| Successor: | Padmanava Behara |
| Predecessor1: | Sribatcha Digal |
| Successor1: | Radha Kanta Digal |
| Spouse: | Supriti Mohanty |
| Children: | 2 |
| Alma Mater: | Kholikote College |
Mrutyunjaya Nayak (born 1 July 1952 in Phulbani, Odisha) is an educationalist, social worker and former politician from Odisha.[1] He served as member of the Lok Sabha representing Phulbani (Lok Sabha constituency). He was elected to 7th, 10th and 11th Lok Sabha[2] Web site: Winner summary over elections for Phulbani. India Votes.
From 2007 to 2010, Nayak served on the 2nd National Commission for Scheduled Castes.[3]
Nayak was educated at Kholikote College. He is married to Supriti Mohanty and has two Sons, Sanjay Gautam and Vikram Anupam. In addition to his other work, Nayak has published two books.