Kathanayaki () ) is a 1955 Indian Tamil language romantic comedy film directed by K. Ramnoth and produced by T. R. Sundaram. The film stars Padmini, T. R. Ramachandran, M. N. Rajam and K. A. Thangavelu. It was released on 19 February 1955, and was not a commercial success.
The story set in a drama troupe company. Padmini leaves home and joins a drama company whose owner T. R. Ramachandran falls in love with her. She faces many problems and how she and her boyfriend solve them forms the rest of the plot.
Music was scored by G. Ramanathan while the lyrics were penned by Suratha, Kannadasan and Thanjai N. Ramaiah Dass.
Kathanayaki was released on 19 February 1955. According to historian Randor Guy, the film was not successful as some critics felt it had a "predictable" storyline.