Q Hayashida

Q Hayashida (林田 球, Hayashida Kyū; born 1977) is the pen name of a Japanese manga artist. She is best known for her series Dorohedoro, which was formerly serialized in Monthly Ikki, but moved to Hibana after Ikki ceased publication, and later moved to Monthly Shōnen Sunday after Hibana ceased publication. It was formerly serialized in English on Viz Media's SigIKKI site.

Throughout her artwork, Hayashida uses a variety of artistic tools and media, including paint and textiles. She is known for her attention to detail and technical skill, as well as balancing horror and comedy in her stories.