Raja Nanna Raja (transl. Raja is my king) is a 1976 Kannada-language romantic thriller film, written by Salim–Javed, and the screenplay was created by Chi. Udaya Shankar. The film was directed by A. V. Sheshagiri Rao, and produced by A. L. Abbaiah Naidu. The film starred Rajkumar, Aarathi and Chandrashekhar. The songs composed by G. K. Venkatesh were received extremely well and considered as evergreen hits.

The film deals with the theme of reincarnation and the lead actors romance in two getups - one in the modern day and another 200 years ago. The film ws a huge success at the box-office. In an episode in Weekend with Ramesh , S. P. Balasubrahmanyam revealed that Ilaiyaraaja had worked under G. K. Venkatesh as a guitar player. This movie popularized the role of the suave antihero in Kannada films.

The film was released on 27 May 1976. It had a theatrical run of 25 weeks. Similarities have been noticed in the core plot elements of this movie and Magadheera. V. Vijayendra Prasad, father of S. S. Rajamouli and the story writer of his movies, had admitted that Dr. Rajkumar films were also one of the responsible factors for the content he derived for his stories.