Avan Pithana? (English:Is he Mad?) is a 1966 Tamil film directed by P. Neelakantan. The film's script was written by M. Karunanidhi based on his stage play "Avan Paithiyakarana?". The film was produced by Angamuthu under production company "Umayal Production". Soundtrack is composed by R. Parthasarathi. The film S. S. Rajendran and Vijayakumari in lead roles with Nagesh, S. V. Sahasranamam, T. S. Balaiah and Sachu playing supporting roles. Avan Pithana? was block-buster- hit at the year.