Hariharan (born 3 April 1955) is an Indian playback singer whose songs usually appear in Tamil and Hindi films. He also sang several songs in other languages namely Malayalam, Kannada, Marathi, Bhojpuri and Telugu films. He is a ghazal singer, and one of the pioneers of Indian fusion music. In 2004, he was awarded with Padma Shri by the Government of India and was a National Award winner twice.
Hariharan, along with Lesle Lewis, formed Colonial Cousins, a two-member music group. Born in Trivandrum, Kerala, from the Iyer Tamil family, Hariharan grew up in Mumbai and earned a bachelor's degree in science and law. He can speak Tamil, Hindi, Malayalam and English.