Sōsuke, Sosuke or Sousuke is a masculine Japanese given name. Notable people with the name include:Henmi Sōsuke (1843–1894), Japanese swordsman Sosuke Ikematsu , Japanese actor Sōsuke Kaise , Japanese manga artist Namiki Sōsuke , Japanese playwright Sosuke Sumitani , Japanese announcer Sousuke Takaoka , Japanese actor Sosuke Toda , Japanese fencer Sōsuke Uno (1922–1998), Japanese politician and Prime Minister of Japan