Mantralaya Mahatme (Kannada: ಮಂತ್ರಾಲಯ ಮಹಾತ್ಮೆ) is a 1966 Indian Kannada film directed by T. V. Singh Thakur, based on the book Sri Raghavendra Vijaya written by Rajaguru Rajacharya, and stars Rajkumar in the role of Raghavendra Swami, a Hindu saint who lived in the 17th century India. Udaykumar, Jayanthi and Kalpana appear in pivotal roles in the film. Dorai-Bhagavan were extensively involved in the production and direction department of this movie.