Karakuri Circus (Japanese: からくりサーカス, Hepburn: Karakuri Sākasu, "Mechanical Puppet Circus") is a Japanese manga series written and illustrated by Kazuhiro Fujita. It was serialized in Shogakukan's shōnen manga magazine Weekly Shōnen Sunday from July 1997 to June 2006, with its chapters collected in forty-three tankōbon volumes. Karakuri Circus was adapted into an anime television series by Studio VOLN, which ran for thirty-six episodes from October 2018 to June 2019. In addition to the anime series, a mobile game was launched in December 2018 and stage play ran in January 2019.