Atsushi Ōkubo (大久保篤, Ōkubo Atsushi), also romanized as Atsushi Ohkubo, is a Japanese manga author and artist specializing in fantasy. He is the creator of the manga Soul Eater and its prequel Soul Eater NOT!, as well as the manga B. Ichi and Fire Brigade of Flames. Early in his career, Ōkubo worked as an assistant under Rando Ayamine on the manga series GetBackers. He also has created artwork for the card game Lord of Vermillio card game and character designs in the 2013 Nintendo 3DS game Bravely Default.