Vaduvur Duraisami Iyengar (1880 – 1942) was a Tamil writer of detective fiction in the 1940s.
He is one of the pioneer in detective story writing in Tamil language. His protagonist, Digambara Samiar, was a sanyasi or holy man on a mission to fight crime. Some of his works are made into movies such as Menaka (1935 film), Menaka (1955 film).
In 1920 he started a journal called "Manoranjini". The aim of the journal was to propagate the importance of women's education.
His novels are