Ajantrik (known internationally as The Unmechanical, The Mechanical Man or The Pathetic Fallacy) is a 1958 Indian Bengali film written and directed by revered parallel filmmaker Ritwik Ghatak. The film is adapted from a Bengali short story of the same name written by Subodh Ghosh.

A comedy-drama film, Ajantrik is one of the earliest Indian films to portray an inanimate object, in this case an automobile, as a character in the story. It achieves this through the use of sounds recorded post-production to emphasize the car's bodily functions and movements.

The film was considered for a special entry in the Venice Film Festival in 1959.