Naresh Iyer was born to Shankar Iyer and Radha. He has a younger sister named Nisha Iyer, who is an artist. He attended SIES College of Commerce and Economics where he received a degree in commerce. After graduation he intended to become a Chartered Accountant, but decided to study Carnatic music and Hindustani classical music instead. He was spotted by composer A. R. Rahman in a reality talent show, Channel V's Super Singer. Though he did not win the show, Naresh was later contacted by A. R. Rahman and made his debut with the song "Mayilirage" from Anbe Aaruyire. He has also sung for other composers in Tamil, Telugu, Hindi and Malayalam. He is also the vocalist of a Mumbai based fusion band called Dhvani. His upcomin project is Kadhal 2 Kalyanam.