Bōken Ō (冒険王, "Adventure King") was a monthly magazine for youth published by Akita Shoten between 1949 and 1983.

It was among the first generation of children's comic magazines after World War II in Japan and was initially focused on publishing illustrated prose and emonogatari and then shifted to manga.

[1][2] The magazine was initially founded under the title Shōnen Shōjo Bōkenō (少年少女冒険王) and was eventually renamed Bōken Ō. Nobumichi Akutsu acted as chief editor of the magazine for decades and worked extensively with Osamu Tezuka.

[1] The magazine initially published some of the biggest hits of emonogatari during its peak, among them the science fiction series Sabaku no Maō by Tetsuji Fukushima.

Animation director Hayao Miyazaki read the magazine in his childhood and was inspired by works like Sabaku no Maō[3] and Tezuka's Taiheiyō X Ten (Point).