Mahendrajeet singh Malviya (born 2 December 1960) is an Indian politician. He served as Cabinet Minister of Water Resources IGNP Water Resources Planning Department in the Government of Rajasthan. He formerly served as Member of Parliament, 12th Lok Sabha in Banswara Lok Sabha constituency. He has been a Member of Rajasthan Legislative Assembly from Bagidora Assembly constituency. He was a member of the Bharatiya Janata Party. Previously he was a member of CWC (Congress Working Committee). On 18 January 2026 he rejoined the Congress party.