Kedarnath Bhattacharya, 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.

The Filmfare Best Male Playback Singer Award is given by Indian film magazine Filmfare as a part of its annual Filmfare Awards for Hindi films, to recognise a male playback singer who has delivered an outstanding performance in a film song.