Sirai is a 1984 Tamil-language drama film written and directed by R. C. Sakthi.
The movie stars Lakshmi and Rajesh in the lead roles, with Pandiyan, Ilavarasi, Prasanna, S. S. Chandran, V. Gopalakrishnan, and Isari Velan supporting them.
It is based on Anuradha Ramanan's 1980 short story of the same name.
The film was produced by Mohan under Anandhi Films, with cinematography handled by Vishwam–Nataraj and editing by G. Radhakrishnan.
Sirai follows a Brahmin woman who, after being raped by an alcoholic man, is disowned by her husband. After being encouraged by a police constable, she moves in with the rapist and develops an attachment for him.
The film was released on 22 November 1984 and received critical acclaim, particularly for Lakshmi's performance, despite criticism from Brahmin organisations who demanded it be banned.