Kanni Thaai is a 1965 Indian Tamil film, directed by M. A. Thirumugam and Produced by Sandow M. M. A. Chinnappa Thevar. The film stars M. G. Ramachandran, K. R. Vijaya, Jayalalitha, M. N. Nambiar and Nagesh in lead roles. The music of the film was composed by K. V. Mahadevan.