Karutha Kai (transl. Black Hand; metaphor for "guilty") is a 1964 Indian Malayalam-language film, directed by M. Krishnan Nair and produced by P. Subramaniam. The film stars Prem Nazir, Sheela, Adoor Bhasi and Thikkurissy Sukumaran Nair. It was released on 14 August 1964. The film was remade in Telugu as Loguttu Perumallakeruka.