Kulamagal Radhai is a 1963 Indian Tamil-language romance film directed and written by A. P. Nagarajan. It is based on the novel Vaazhvu Engey by Akilan. The film stars Sivaji Ganesan, B. Saroja Devi and Devika. It was released on 7 June 1963.

Akkamappettai Paramasivan Nagarajan was an Indian film director, producer, actor and writer who set a trend in film making in Tamil cinema from 1965 to 1977.