En Magan is a 1974 Indian Tamil-language action drama film directed by C. V. Rajendran.
The story revolves around Raja (Sivaji Ganesan), a thief, who falls in love with Radha (Manjula), the daughter of a smuggler. An honest police officer named Ramaiah (V.S. Raghavan) attempts to reform Raja's criminal lifestyle.
Radha's rich father opposes their relationship and seeks his influential police friend's help to persuade her to break off with Raja, forming the central conflict of the narrative.
The film features supporting roles including K. Balaji, Major Sundarrajan, R. S. Manohar, V. K. Ramasamy, and Manorama. The music was composed by M. S. Viswanathan, with lyrics by Kannadasan.
Released on 21 August 1974, En Magan became commercially successful.