Syed Waliullah (; August 15, 1922 – October 10, 1971) was a Bangladeshi novelist, short-story writer and playwright. He is notable for his first novel "Lalsalu". This novel has been translated in English with the title ""Tree Without Roots"". He received Bangla Academy Literary Award in 1961 for his contribution in novel. He was awarded Ekushey Padak in 1984 and Bangladesh National Film Awards for best story in 2001 both by Government of Bangladesh posthumously.