Ji Subhash Prasad Yadav (born 27 March 1967) is an Indian politician belonging to Rashtriya Janata Dal (RJD) from Gopalganj in Bihar.

He was a Member of Parliament representing Bihar in the Rajya Sabha, the upper house from 2004 to 2010.

Subhash Prasad Yadav was born on 27 March 1967 in Salar Kalan village near Mirganj of Gopalganj district, Bihar.

He matriculated from Mukti Adarsh High School (BSEB) in 1986, passed the intermediate examination in Arts from Gopalganj College (University of Bihar) in 1989, and later graduated with a BA from R.P.S College Patna (Magadh University) in 1993.

[2] Subhash Yadav married Renu Yadav on 27 February 1987 and the couple has 2 sons Randhir and Saurav, and daughter Ekta Subhash Prasad Yadav was a clerk in the Patna secretariat and when his sister Rabri Devi became the chief minister of Bihar, he quit his job and joined RJD to support his sister in July 1997.