Shankar Guru is a 1978 Indian Kannada-language action thriller film directed by V. Somashekhar and produced by Parvathamma Rajkumar under Dakshayini Combines. It stars Dr. Rajkumar in triple role, alongside Jayamala, Padmapriya, Kanchana, Balakrishna, Vajramuni, Thoogudeepa Srinivas and Uma Shivakumar. The music was composed by Upendra Kumar, while the cinematography and editing were handled by R. Madhusudan and P. Bhaktavatsalam.

Shankar Guru marks Parvathamma Rajkumar's debut as a producer. The film was shot extensively in and around Kashmir. The film was the second film of Rajkumar after Kula Gourava in which he played a triple role and his only colour film in a triple role.

Shankar Guru was released on 17 February 1978 to widespread critical acclaim and became an all-time blockbuster at the box office. P. Bhaktavatsalam won the Karnataka State Film Award for Best Editor. The film was remade in Telugu as Kumara Raja, in Tamil as Thirisoolam and in Hindi as Mahaan.