Sriram Raghavan is an Indian film director and screenwriter who works in Hindi cinema. He is primarily considered an auteur of neo-noir action thrillers.

Ek Hasina Thi is a 2004 Indian Hindi-language neo-noir thriller film directed by Sriram Raghavan and produced by Ram Gopal Varma. Urmila Matondkar and Saif Ali Khan starred in this film as the lead roles. The screenplay was by Sriram Raghavan and Pooja Ladha Surti. The film borrows elements from the Sidney Sheldon story If Tomorrow Comes. In her review, critic Ronjita Kulkarni says that it's "loosely based" on Double Jeopardy, while "the film also adapts a scene from The Bone Collector." The film was premiered at the New York Asian Film Festival. The film is usually considered one of the best works of Urmila Matondkar, Saif Ali Khan and director Sriram Raghavan.