Nagarahavu (transl. Cobra) is a 2016 Indian Kannada language epic fantasy film directed by Kodi Ramakrishna, the final film directed by him before his death in 2019, and produced by Sajid Qureshi, Inbox Pictures Pvt Ltd.With Ramya in the lead role, a digitally recreated CGI version of deceased actor Vishnuvardhan has played the main role, with the film being marketed as his "comeback". Actors Diganth, Saikumar, Rajesh Vivek, and Sadhu Kokila play supporting roles.

The music was composed by Gurukiran with cinematography by H. C. Venugopal and editing by Jhony Harsha. The film has been dubbed and released in Tamil as Shivanagam, Telugu as Nagabharanam, and Hindi as Nagavanshi. The film released on 14 October 2016.The film was a festive season to fans for having come back of legendary actor Vishnuvardhan through CGI effect.