One for Sorrow is the fifth studio album by the Finnish melodic death metal band Insomnium. It was released on October 12, 2011 in Finland, October 17, 2011 throughout the rest of Europe, and October 18, 2011 in the USA, on Century Media Records. Music videos were released for the tracks "One for Sorrow", "Through the Shadows" and "Regain the Fire".