Guppedu Manasu is a 1979 Indian Telugu-language drama film directed by K. Balachander starring Sarath Babu, Sujatha and Saritha in prominent roles. It was made simultaneously in Tamil as Nool Veli, and is a remake of the 1977 Malayalam film Aa Nimisham. Kamal Haasan does a guest role in both Tamil and Telugu versions. Nool Veli was released on 7 September 1979, and Guppedu Manasu on 2 November the same year.

Sathyam Babu Dixithulu, known by his stage name Sarath Babu, was an Indian actor who worked predominantly in Tamil and Telugu cinema. He appeared in more than 300 films, including in Tamil, Telugu, Kannada, and a few Malayalam and Hindi films. He has received eight state Nandi Awards.