Karthika Deepam is a 1979 Indian Telugu-language drama film directed by Laxmi Deepak and starred Sobhan Babu, Sarada, and Sridevi. Sobhan Babu won the Filmfare Award for Best Actor.
The film was remade in Hindi as Maang Bharo Sajana (1980), in Tamil as Karpoora Deepam (1985) and in Kannada as Sowbhagya Lakshmi (1987).
The music was composed by Satyam.
The film was released on 10 May 1979. Prasad, reviewing the film for Zamin Ryot on 18 May 1979, praised the treatment and execution of the story, particularly appreciating Sridevi's performance.