Singireddy Nag Ashwin Reddy, popularly known as Nag Ashwin, is an Indian film director and screenwriter known for his work in Telugu cinema. He is the recipient of a National Film Award, a Nandi Award, and a Filmfare Award. A graduate of the New York Film Academy, Ashwin began his career as an assistant director to Sekhar Kammula. He made his directorial debut in 2015 with the coming-of-age film Yevade Subramanyam, which earned him the Nandi Award for Best Debut Director.