Bommai is a 1964 Indian Tamil-language thriller film directed by S. Balachander.
The plot revolves around Jagadish and his gang attempting to kill Somasundaram, who are subsequently killed when their car is rigged with a bomb hidden inside a walking-talking doll that returns to them unexpectedly.
The film features an ensemble cast featuring several newcomers alongside S. Balachander, L. Vijayalakshmi, and V. S. Raghavan in prominent roles.
Bommai was inspired by Alfred Hitchcock's 1936 British thriller Sabotage and adapted for the Tamil audience with some script modifications.
The film was released on 25 September 1964.