Sonu Nigam was born on 30 July 1973 in Faridabad, Haryana, India. He is a playback singer and has also released numerous Indi-pop albums.

Sonu was born in Faridabad. His family moved to Delhi when he was still young. He attended J.D. Tytler School. His father Agam Kumar is a singer too. Sonu has two younger sisters; One of them, Neekita Nigam is also a singer. Sonu started singing at the age of four-and-a-half years singing a Mohammad Rafi number at a concert where his father was due to perform. He was discovered and promoted by Gulshan Kumar of T-Series,who gave him his first major recording opportunities. He moved from Delhi to Mumbai to seriously pursue his singing career, at the age of 19.

Sonu started his career singing covers of Mohammad Rafi songs. His first movie as a playback singer was ((Janum)) which was a major flop in (1990).This film was not officially released due to some reason but some considered it as a flop. Again he got his big break as a playback singer in Gulshan Kumar's film (Aaja Meri Jaan) and then "Accha Sila Diya Tune" (also sung in Gujarati) from Bewafa Sanam (1996). At this time, he also started hosting Sa Re Ga Ma, a television singing talent competition that became one of the most popular shows on Indian television. Thereafter,the offers poured in, albeit slowly at first. He shot to fame with the song "Sandese Aate Hai" from Border (1997). In the initial stages, he was type-cast as a Rafi-sound-alike. The image was transformed after his brilliant rendition of "Yeh Dil, Deewana" in the film Pardes (1997). Since then, he has created a unique trademark style of his own.His career really got a boost when kumar sanu was diagnosed with throat cancer in (1998) .

Over the years, Sonu Nigam has become a major force in the music industry. He has released a number of pop albums including Mausam, Sapnay Ki Baat, Kismat, Deewana, Jaan, Yaad, Chanda Ki Doli and Colours of Love, as well as a Punjabi album 'Pyar'. Besides SaReGaMa, he has also hosted Kisme Kitna Hai Dum and been a judge on Indian Idol. Recently, he started hosting his own radio programme called Life Ki Dhun With Sonu Nigam on Radiocity 91 FM, where he has had the opportunity of interviewing industry greats, including the legendary Lata Mangeshkar. This radio show is available on the net. He is due to release a semi-classical album as well as an English album in the near future.

Sonu has sung playback for countless Hindi movies. As well, he is a popular playback singer for many regional movies, singing effortlessly in many languages from Punjabi to Bengali to Telugu, and many more.He is very famous in south indian movies especially in Kannada.