Thani Thatuwen Piyabanna (Flying with one Wing) (Sinhala: තනි තටුවෙන් පියාඹන්න) is a 2003 Sri Lankan Sinhala drama erotic film directed by Asoka Handagama and maiden cinema production by Upul Shantha Sannasgala. It stars Anoma Janadari and Gayani Gisanthika in lead roles along with Mahendra Perera and W. Jayasiri. Music composed by Rohana Weerasinghe. It is the 1003rd Sri Lankan film in the Sinhala cinema.The film won many awards at international film festivals, although it was criticized in Sri Lanka due to many scenes of tobacco smoking women. The film was regarded as the most revolutionary South Asian film at the London International Film Festival in 2002. The jury of 20th Torino International Film Festival held in Italy decided to assign a special mention to actress Anoma Janadari for her role in the movie.