Sishtla Sreeramamurthy Janaki (born 23 April 1938), commonly known as S. Janaki, is an Indian playback singer who has recorded nearly 48,000 songs, mostly in South Indian languages, in a career spanning 58 years. Telugu is the language in which she has most frequently recorded.She has won four National Film Awards and 31 different State Film Awards. Her association with singer S. P. Balasubrahmanyam and composer Ilaiyaraaja is well known.
S. Janaki, who is known as "The Nightingale of the South", is a recipient of an honorary doctorate from the University of Mysore and the Kalaimamani award from Tamil Nadu State Government. S.Janaki is called the Queen of Expressions for her ability to express different kind of emotions.
In 2013, she refused the offer of a Padma Bhushan award by the Government of India, saying that it had come "too late" and that South Indian artists were not given their due recognition.
In her twenties, S. Janaki moved to Chennai on the advice of her uncle Dr. Chandrashekar and joined AVM Studios as a singer. She started her career in movies as a playback singer in the Tamil movie Vidhiyin Vilayattu in 1957. Subsequently, she performed in the Telugu movie MLA. She has also recorded devotional music of Meera.
Janaki was increasingly given work by music directors such as M. S. Viswanathan in Avargal, K. V. Mahadevan in Mazhai Megham), Sankar Ganesh in Aasai Manaivi and V. Kumar in Oruvanukku Oruthi.
As Janaki has mentioned on many occasions that the toughest song of her entire singing career is the Kannada song "Shiva shiva ennada naaligeyeke" from the movie Hemavathi. The song, which is in two different ragas, Thodi and Aabhogi, was composed by L. Vaidyanathan. Janaki had prayed to her beloved god before going to record this unique song.While talking of this song, K.S. Chitra said that Nobody can touch this song.
S. Janaki is married to V. Ramprasad. She lives in Hyderabad with her son Murali Krishna. She is also a close relative of Carnatic classical vocalist, Garimella Balakrishna Prasad.