Inio Asano (Japanese: 浅野 いにお, Hepburn: Asano Inio, born September 22, 1980) is a distinguished Japanese manga artist. He is renowned for creating the acclaimed manga series Solanin, which was adapted into a feature film in Japan in April 2010, starring Aoi Miyazaki. His other famous works include the series Goodnight Punpun and Dead Dead Demon's Dededede Destruction.

Asano is celebrated for his character-driven, realist stories that oscillate between slice of life to psychological horror genres. He won first prize in the 2001 GX competition for young manga artists. In 2010, the Yomiuri Shimbun described Asano as "one of the voices of his generation."