Samui Song is 2017 Thai noir crime thriller drama film directed and written by Pen-Ek Ratanaruang, and starring Chermarn Boonyasak and David Asavanond. It is his ninth feature film and tenth overall. The film had its world premiere in the "Venice Days " section at the 74th Venice International Film Festival on August 30, 2017, and had a limited release in Thailand on February 1, 2018.