Kanak Vardhan Singh Deo is an Indian politician from Odisha and a member of the former royal family of the princely state of Patna, Bolangir. A member of the Bharatiya Janata Party (BJP), Deo is serving as the 5th Deputy Chief Minister of Odisha, holding the portfolios of the Ministry of Agriculture and Farmers' Empowerment and the Ministry of Energy since 2024 under Mohan Majhi. He is also a member of the National Executive of the BJP. Deo is the grandson of former Chief Minister of Odisha, Rajendra Narayan Singh Deo.