Unni Menon is an Indian film playback singer. He has sung over 3000 songs in South Indian languages like Malayalam, Tamil, Telugu and Kannada. In the early part of his career, he spent many years as a low-profile playback singer. The turning point in his career came when he sang the song "Pudhu Vellai Mazhai" from Mani Ratnam's award-winning 1992 Tamil film Roja, composed by A. R. Rahman. He has frequently associated with A. R. Rahman, lending his voice to nearly 25 popular songs from films like Karuththamma (1994) and Minsaara Kanavu (1997).
Unni Menon was born in Guruvayoor, the temple town in the Thrissur district of Kerala. His father was V. K. S. Menon, an officer in Tamil Nadu police and a native of Valanchery in Malappuram district and Malathy. He did his schooling in Guruvayoor and B.E.M. High School, Palakkad. Later, he attended the Government Victoria College, Palakkad, from where he graduated with a degree in Physics. Unni Menon exhibited great talent and enthusiasm for music in childhood, winning many prizes in competitions throughout his schooling and college life.