Aval Appadithan (English: That is how she is) is a 1978 Indian Tamil drama film directed by C. Rudhraiya in his directorial debut, and co-written by him with Somasundareshwar. The film was produced by Ragamanjari in association with the M.G.R. Government Film and Television Training Institute. It stars Kamal Haasan, Rajinikanth, and Sripriya, while Ilaiyaraaja composed the film's music.