Vader is a Polish death metal band from Olsztyn, formed in 1983 by bassist Piotr Wiwczarek and guitarist Zbigniew Wróblewski. Wiwczarek has been the only constant member over the years and has handled vocals and lead guitar since 2022, alongside current members Marek Pająk, Tomasz Halicki and Michał Andrzejczyk.