Raavu Balasaraswathi Devi (born 28 August 1928) is an Indian singer and actress who performed from 1930 to the 1960s in Telugu and Tamil cinema.

[citation needed] She learned music from Allathuru Subbayya and lent her voice for the first solo gramophone by HMV recording company at the age of six.

[citation needed] She acted as child actor Ganga and also sang in the films Sati Anasuya and Bhakta Dhruva, both directed by C. Pullaiah in 1936.

In Bhagya Lakshmi (1943) of Sri Renuka Films of V. Nagayya, she sang for Kamala Kotnis on screen, this being the first instance of playback singing in Telugu cinema.

[citation needed] She sang with T. M. Soundararajan, T. A. Mothi, Seerkazhi Govindarajan, S. Rajam, M. S. Ramarao, Pithapuram Nageswara Rao and Subramanyam.