Melnaattu Marumagal is a 1975 Indian Tamil-language film directed by A. P. Nagarajan and starring Sivakumar, Kamal Haasan, Laurance Pourtale, and Jayasudha.
The film tells the story of two brothers, Mohan and Raja, and their spouses, exploring cultural differences between a European girl married to Sivakumar and a Tamil girl married to Raja.
Produced by C. N. Venkatasamy under C. N. V. Movies, the film features music composed by Kunnakudi Vaidyanathan with keyboardist Viji Manuel.
The cast includes Sivakumar, Kamal Haasan, Laurance Pourtale, Jayasudha, and Poornam Viswanathan.