Stuart Block (born November 26, 1977) is a Canadian singer and songwriter, who was the frontman for Canadian progressive death metal band Into Eternity, and the former lead vocalist for American heavy metal band Iced Earth. Before joining Into Eternity in 2005, Block began his musical career singing for various bands in Vancouver, Canada. After two albums with Into Eternity, Block joined Iced Earth in 2011 and recorded three albums during his ten-year tenure with the band: Dystopia (2011), Plagues of Babylon (2014) and Incorruptible (2017). He was the second-longest-serving vocalist of Iced Earth, behind Matt Barlow.