Invisible Waves is a 2006 crime film by Thai director Pen-Ek Ratanaruang, with screenplay by Prabda Yoon, cinematography by Christopher Doyle, and starring Tadanobu Asano – all people that Pen-Ek had worked with on his previous film, Last Life in the Universe. It had its world premiere at the Berlin Film Festival and was also shown at the 2006 Bangkok International Film Festival and the 2006 Toronto International Film Festival.