En Magan (transl. My Son) is 1945 Indian Tamil-language romantic war film directed by R. S. Mani and written by A. S. A. Sami. Based on the American play Waterloo Bridge by Robert E. Sherwood, the film stars N. Krishnamoorthi, U. R. Jeevarathnam, D. Balasubramaniam and Kumari Kamala. It was released on 3 November 1945, and emerged a commercial success. No print of the film is known to survive, making it a lost film. The film was created as a World War II-related propaganda film, at the request of the government of Tamil Nadu.