Miju Ahmed was born on 17 November, 1950 in Courtpara, Kushtia, East Pakistan (now Bangladesh). His birth name was Mijanur Rahman. He was connected with theater group in Kushtia from his childhood. He debuted in the film industry through the film 'Trishna' in 1978.
Some of his notable films are 'Mohanogor (1981)', Pita Mata Sontan (1991)', 'Danga' (1992), 'Coolie (1997)', 'Hangor Nodi Grenade (1997)', 'Abujh Bou (2010)'. He received Bangladesh National Film Award in 1994 in Best Supporting Actor category for 'Danga' and in 2012 in Best Actor in Negative Role for 'Abujh Bou'.