Sishtla Sreeramamurthy Janaki, (తెలుగు : ఎస్.జానకి), (ಕನ್ನಡ : ಎಸ್.ಜಾನಕಿ), (தமிழ் : எஸ்.ஜானகி), (മലയാളം : എസ്.ജാനകി ), (born 23 April 1938), commonly known as S. Janaki, is a versatile Indian Playback singer.
As of 2007 Janaki had sung nearly 17,000 songs, encompassing most of the languages of South India, during a career that has lasted over 50 years. She confirmed in a speech while receiving the second highest civilian award of Karnataka state, Karnataka Rajyotsava Award, that the highest number of songs that she sang was in Kannada. She was very active in Telugu and Tamil film industries too. She has won four National Film Awards and 31 different State Film Awards. Her association with singer S. P. Balasubrahmanyam and composer Ilaiyaraaja is among the most popular musical combinations in South India.

She is known as, "The Nightingale of the South". She is a recipient of a Honorary doctorate from the University of Mysore and the Kalaimamani award from Tamil Nadu State Government.

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.

Biography

S. Janaki married V.Ramprasad. She lives in Chennai with her son Murali Krishna, who acted in few films and has an audio business of his own; and his wife Kailaimamani Uma Murali Krishna, a classical dancer (Bharatnatyam and Kuchipudi); they have two daughters Amruthavarshini and Apsara.

She is also a close relative of carnatic classical vocalist, Garimella Balakrishna Prasad.