Abdullah Al Muti Sharfuddin (Bengali: আব্দুল্লাহ আল মুতী Abdullah Al Muti Sharfuddin, 1 January 1930–30 November 1998), mostly known as "Abdullah Al Muti" was a Bangladeshi educationist and popular science writer. He wrote tough scientific ideas in an easy fashion suitable for children and teenagers. This writing style brought him fame as a pioneer of science writing in Bengali. He is the second Bangladeshi writer who has won UNESCO Kalingo prize.