Rajmata Krishna Kumari (10 February 1926^[1][2] – 3 July 2018) was an Indian politician. She was the Maharani consort of Marwar-Jodhpur as the spouse of Maharaja Hanuwant Singh, and the titular regent of Marwar-Jodhpur during the minority of Gaj Singh II in 1952-1970. She was a Member of Parliament, Lok Sabha, in 1971-1977.

She was the last Maharani consort of Marwar-Jodhpur in 1947–1949 as the spouse of Maharaja Hanuwant Singh.^[3]

After the death of her husband Maharaja Hanuwant Singh in 1952, she was titular regent for son, titular Maharaja Gaj Singh II as well as stepmother of the orphaned Hukum Singh, and took charge of the princely family's interests.^{[citation needed]}

She was also known as HH Maharani Krishna Kumari Ba Sahiba of Dhrangadhra. She founded a girls' school in Jodhpur, Rajamata Krishna Kumari Girls' Public school.^{[citation needed]}

She contested the Lok Sabha election in 1971 from Jodhpur and won, serving until 1977.^[3]

She died on 3 July 2018, in Jodhpur, aged 92.^[4]

The book "The Royal Blue" by Ayodhya Prasad depicts most of her life from the Princess of Dhangadhra to the Maharani of Marwar (Jodhpur).^{[citation needed]}