Sadhu Mirandal is a 1966 Indian Tamil-language crime thriller film directed by Thirumalai–Mahalingam and produced by A. Bhimsingh.
The screenplay was written by Bhimsingh himself, based on a real incident involving the murder of a bank official named Suryanarayana during a trip in his friend's car for money.
The film stars Nagesh as the taxi driver and T. R. Ramachandran as Pasupathy, with other cast members including O. A. K. Thevar, Manorama, Kalpana, and Kutty Padmini.
Released on 14 April 1966, it became a critical and commercial success, and was later remade in Hindi by Bhimsingh as Sadhu Aur Shaitaan (1969).