Thattathin Marayathu (transl. Behind The Veil) is a 2012 Indian Malayalam-language romantic comedy film written and directed by Vineeth Sreenivasan, starring Nivin Pauly and Isha Talwar. The supporting cast includes Aju Varghese, Manoj K. Jayan, Sunny Wayne, Sreeram Ramachandran, Bhagath Manuel, Manikuttan, Sreenivasan, and Niveda Thomas. The film was produced by actors Mukesh and Sreenivasan. The film is about a Hindu boy, Vinod, and a Muslim girl, Aisha, and the conflict arising out of this inter-faith relationship.

The film has been considered as one of the defining movies of the Malayalam New Wave. The movie was remade in Telugu as Saheba Subramanyam and in Tamil as Meendum Oru Kadhal Kadhai.