Shyam Rajak is an Indian Leader from Rashtriya Janata Dal (RJD), previously serving as the Minister for Industries in the Government of Bihar under Nitish Kumar.

[1] He has also served as Minister of State for Energy, Public Relations Department and Law in Bihar government in the RJD rule under Rabri Devi.

In June 2009, Rajak quit his post as national general secretary of Rashtriya Janata Dal (RJD).

He joined the Janata Dal (United) party[5] and served as National President of Akhil Bharatiya Dhobi Mahasangh.

He was one of the key leaders of the previous RJD party led by Lalu Prasad Yadav.