Chettathi is a 1965 Malayalam language film. The film was directed by S. R. Puttanna Kanagal, starring Ambika, Prem Nazir, Sathyan and Thikkurissy Sukumaran Nair in the lead roles. Music of this film was done by M. S. Baburaj. It tells the story of a young widow. The core plot of the movie is partially inspired by Triveni's Kannada novel Hannele Chiguridaga.