Jussi Niinistö (born October 27, 1970 in Helsinki) is a Finnish politician and the current Minister of Defence. Since 2011, he has been a member of Finnish Parliament, representing the Finns Party 2011–2017 and Blue Reform since 2017. By occupation he is a military historian, a docent of Finnish history in the University of Helsinki and a docent of military history in the Finnish National Defence University.