Vadavur Duraisami Iyengar (1880 – 1942) was a Tamil writer of detective fiction in the 1940s.
His protagonist, Digambara Samiar, was a sanyasi or holy man on a mission to fight crime. His Novels are Purna cantirotayam Part-1,2,3,4,5, Kumbakonam vakkil Part-1,2, Maya Vinotha Parathesi Part-1,2,3, Menaka Part-1,2, Soundarya Kokilam Part-1,2,3, Mathana kalyani Part-1,2,3, vidhyasagaram, vasantha Mallika