Thanjavur Radhakrishnan Rajayee (5 May 1922 – 20 September 1999), better known by her screen name T. R. Rajakumari, was an Indian actress, Carnatic singer and dancer.

[1][2][3] Rajayee made her film debut in Kumara Kulothungan, which was produced in 1938–39 but was released in 1941 after Kacha Devayani.

[5][6] In 1944, Rajakumari starred in the record-breaking film Haridas alongside M. K. Thyagaraja Bhagavathar and gained recognition for her glamorous portrayal.

[7] In her Tamil film career, Rajakumari acted as the female lead opposite many major film stars, including Thyagaraja Bhagavathar, T. R. Mahalingam, K. R. Ramasamy, P. U. Chinnappa, M. G. Ramachandran and Sivaji Ganesan.

She also started a film production company (with her brother T. R. Ramanna) called "R. R. Pictures" and produced films like Vaazhapirandhavan (1953), Koondukkili (1954), Gul-E-Bagaavali (1955), Paasam (1962), Periya Idathu Penn (1963), Panam Padaithavan (1965) and Parakkum Paavai (1966).