Jay Prakash Narayan Yadav (born 2 August 1954) is an Indian politician from Bihar.

Yadav represented the Munger constituency of Bihar and is a member of the Rashtriya Janata Dal (RJD) political party.

Jai Prakash Narayan Yadav was born in Barhat, Jamui district, in Bihar state.

His late father's name is Akhileshwar Prasad Yadav and his mother's name is Shanti Devi.

Yadav holds a degree of Masters of Arts and Bachelor of Law from Patna University, Bihar.