Kedarnath Bhattacharya (कुमार सानु, born 20 October 1957), professionally known as Kumar Sanu, is an Indian playback singer who primarily sings in Hindi film songs. Apart from Hindi, he has also sung in other languages including Bengali, Marathi, Nepali, Assamese, Bhojpuri, Gujarati, Manipuri, Telugu, Malayalam, Kannada, Tamil, Punjabi, Odia, Chhattisgarhi, Urdu, Pali, English and his native language Bengali, both in West Bengal and Bangladesh. He holds the record for winning five consecutive Filmfare Award for Best Male Playback Singer from 1991 to 1995. He holds the Guinness Book of world records since 1993 for recording the maximum number of songs in a single day.
For his contribution to Indian cinema and music, he was awarded the Padma Shri in 2009 by the Government of India. Many of his tracks feature in BBC's "Top 40 Bollywood Soundtracks of all time"