Konami Digital Entertainment Inc. (Japanese: コナミデジタルエンターテインメント株式会社 Hepburn: Konami Dejitaru Entāteinmento Kabushiki-gaisha) TYO: 9766 NYSE: KNM is a Japanese developer and publisher of numerous toys, trading cards, anime, tokusatsu, slot machines, arcade cabinets, video games, and additionally operates health and physical fitness clubs in Japan.

Konami is famous for popular video game series such as Castlevania, Contra, Dance Dance Revolution, Gradius, Frogger, Suikoden, Ganbare Goemon, Metal Gear, Pro Evolution Soccer, Silent Hill and Yu-Gi-Oh!. The 2012 purchase and absorption of Hudson Soft resulted in the addition of several other popular franchises, including Adventure Island, Bonk, Bloody Roar, Bomberman, Far East of Eden and Star Soldier. Konami is the fifth-largest game company in the world by revenue."