Leader of Kaanchi) is a 1963 Indian Tamil-language historical action film, directed by A. Kasilingam and written by M. Karunanidhi.

The film stars M. G. Ramachandran, S. S. Rajendran, P. Bhanumathi and C. R. Vijayakumari, with M. R. Radha and S. A. Ashokan as villains.

It was produced by Karunanidhi, Kasilingam and Murasoli Maran under Mekala Pictures, and was released on 26 October 1963.

The story is about the rivalry between the Pallavas and the Chalukyas, MGR as the Narasimha Pallava King, also known as Mamallan, rules Kanchipuram with peace, Pulikesi wants to capture Kanchipuram, with a cunning plan, sending Poovikraman and Chola Kumari to Kanchi.

Paranjothi arrests Chola Kumari and takes her to the court of Mamallan, there the King gives due respect and frees her.

Though, Chola Kumari is against the wish of Pulikesi, her love to Mamallan creates a problem in the kingdom and Pallava's allies turn against him.

[7] The censor board objected to the title Kaanchi Thalaivan as it was also a sobriquet for C. N. Annadurai, then general secretary of the Dravida Munnetra Kazhagam (DMK).

Nonetheless, as noted by historian R. L. Hardgrave, the board "so badly mangled the film that it was a financial failure".