Kaitō Queen (怪盗クイーン, Kaitō Kuīn, "Mirage Queen") is a Japanese novel series, written by Kaoru Hayamine and illustrated by K2 Shōkai. Kodansha have published fifteen volumes since March 2002 under their Aoitori Bunko children's imprint. A theatrical original video animation (OVA) adaptation of the first novel, Kaitō Queen wa Circus ga Osuki, premiered in Japan in June 2022.