Lamp of the clan) is a 1969 Indian Tamil-language drama film written and directed by K. S. Gopalakrishnan.

A remake of the Malayalam film Adhyapika (1968), it stars B. Saroja Devi and Gemini Ganesan.

[1] It was produced by K. S. Sabarinadhan under Amarjothi Movies, and directed by K. S. Gopalakrishnan who also wrote the screenplay.

[4] According to historian B. Vijayakumar, Kulavilakku follows a trope that was common in 1950s/1960s Indian cinema: "The heroine struggling and sacrificing her life for the people she loved, even though they were not related to her".

[2] On the same day The Indian Express wrote, "The great asset of the film is the story [...] and the dialogue", and also praised the performance of the cast, particularly Saroja Devi.