En Magan () is a 1974 Indian Tamil-language action drama film directed by C. V. Rajendran. The film stars Sivaji Ganesan and Manjula, with K. Balaji, Major Sundarrajan, R. S. Manohar, V. S. Raghavan, V. K. Ramasamy and Manorama in supporting roles. It is a remake of the 1972 Hindi film Be-Imaan. The film was released on 21 August 1974, and became commercially successful.
Raja and Radha love each other and want to get married. Her rich father, who opposes their alliance, seeks his influential police officer friend's help to persuade her to break up with Raja.
The final length of the film was .
The music was composed by M. S. Viswanathan, with lyrics by Kannadasan.
En Magan was released on 21 August 1974, and became commercially successful. Kausikan of Kalki felt the title En Magan did not suit the story; instead Thirudan (thief) would have been better. He appreciated the performance of Ganesan in the father's role as majestic while also praising the cinematography and humour and concluded Ganesan's dual roles and Ramayya's character will attract his fans. Navamani called the story weak and lack of excitement in screenplay and felt Ramasamy and Manorama were underutilised but praised the acting, dialogues and cinematography.