Syed Waliullah (August 15, 1922 – October 10, 1971) was a Bangladeshi novelist, short-story writer and playwright. He was notable for his debut novel, Lalsalu (translated in English with the title "Tree Without Roots"). He was awarded Bangla Academy Literary Award (1961), Adamjee Prize (1965), Ekushey Padak (1984) and Bangladesh National Film for Best Story (2001).