Mahbubul Haque Khan (28 February 1950 – 5 June 2011), best known as Azam Khan, was a Bangladeshi singer-songwriter, record producer, and lead singer for the pop-rock band "Uccharon". He was also a freedom fighter. He took part in the Liberation War of Bangladesh in 1971. He is considered to be one of the greatest artists in the history of Bangladeshi popular music.