Naan Avanillai (transl. I am not him) is a 1974 Indian Tamil-language film starring Gemini Ganesan. Produced by Ganesan himself, it was directed by K. Balachander. It was adapted from the 1962 Marathi language play To Mee Navhech, written by Pralhad Keshav Atre. The film deals with a man who woos and marries several women while he takes on as many different identities.