Maharaj Kumar Dr. Basant Narain Singh (b. at Padma Lakshmi Nivas Palace, Hazaribagh District, April 9, 1918) was an Indian politician and a member of the 7th Lok Sabha representing Hazaribagh (Lok Sabha constituency) of Bihar State.
He was the general secretary of the Janta Party which was formed by Maharaja of Ramgarh Raj.
Maharaja Sir Udaji Rao II Parmar (Honorary A.D.C.
They had two children, Maharaj Kumar Mayurdhwaja Narain Singh Gaji Sarkar Sahib and Kuwarani Bhawna Raje.
He was the younger brother of Maharaja Kamakhya Narain Singh Bahadur of Ramgarh Raj, son of the late Raja Lakshmi Narain Singh Bahadur and maternal great-grandson of Maharaja Raja Arjun Singh (freedom fighter) of Porahat Raj (Kolhan Estate).