Yoshio Sawai (????, Sawai Yoshio, born March 14, 1977 in Toyohashi, Aichi Prefecture) is a Japanese gag manga creator best known for his series Bobobo-bo Bo-bobo and sequel Shinsetsu Bobobo-bo Bo-bobo, both serialized on Weekly Shonen Jump.
Bobobo-bo Bo-bobo was adapted into a 76 episodes anime series by the Toei Animation studio between 2003 and 2005.