Dhoomakethu is a 1968 Indian Kannada-language film, directed by R. N. Jayagopal. The film stars Rajkumar, Udaya Chandrika, Udaykumar and Narasimharaju. The film has musical score by T. G. Lingappa. This is the debut movie of R. N. Jayagopal as a director.V.Ravichandran had revealed that he had made his first on screen appearance in this movie.