Mohammad Zahirullah, known as Zahir Raihan, was a Bangladeshi novelist, writer and filmmaker. He is most notable for his documentary Stop Genocide (1971), made during the Bangladesh Liberation War. He was posthumously awarded Ekushey Padak in 1977 and Independence Day Award in 1992 by the Government of Bangladesh.

Ekushey Padak is the second highest civilian award in Bangladesh, introduced in memory of the martyrs of the Bengali Language Movement of 1952. The award is given to recognize contributions in a number of fields, including culture, education, and economics. The Ministry of Cultural Affairs administers the award.