Al-Mamun Al Siyam (Bengali: আল-মামুন আল সিয়াম; born 02 March 1993) is a Bangladeshi film actor, known for the 2012 film Ghetu Putro Komola, which was selected as the Bangladeshi entry for the Best Foreign Language Oscar at the 85th Academy Awards, but it did not make the final shortlist. Mamun is the recipient of several accolades, including National Film Awards in 2012