Nilanjana () is a 2017 Sri Lankan Sinhala drama thriller film directed by Nalaka Withanage and produced by Arosha Fernando. It stars Himali Siriwardena and newcomer Kelum Kularatne in lead roles along with Sriyani Amarasena and Anusha Damayanthi. It is the 1274th Sri Lankan film in the Sinhala cinema.
