Hoovu Mullu (Kannada: ಹೂವು ಮುಳ್ಳು) is a 1968 Indian Kannada film, directed by A. V. Sheshagiri Rao and produced by A L A Naidu. The film stars Udaykumar, Kalpana, Balakrishna and Dikki Madhavarao in lead roles. The film had musical score by Chellapilla Satyam.
Kumar (Rajkumar) is a range forest officer who goes to the Nagarhole National forest to protect the natural resources. His main rival is the poacher Anand (Vishnuvardhan) who unknown to him has been kidnapped and raised by Venkatappa Naika (Balakrishna) to exact revenge on his father. In the final scenes, Anand gets hold of Kumar's mother and asks him to not interfere or that he will set fire to the forest. But Kumar shoots Anand, fatally injuring him in the chest. Venkatappa then comes in climax and reveals that Anand is Kumar's own brother and he had done this to take revenge on his family. He tries to kill Kumar, but Anand kills him and dies on the lap of his mother.