Mag Garden (マッグガーデン, Maggu Gāden) is a Japanese publishing company that focuses on manga-related publications and is also involved in the development of anime and live-action adaptations.

Fearing their manga being dropped out of publication and tired of the harsh treatment, they left Square Enix to help create Mag Garden, where they would also continue serializing their series.

[4] The establishment of Mag Garden and the former manga artists' departure from Square Enix prompted legal disputes over copyright issues between the two companies.

On September 22, 2003, Mag Garden became a separate, independent company and was admitted in the Tokyo Stock Exchange's "Mothers" market after Square Enix sold all of its remaining shares.

[8] Among the manga artists who moved to Mag Garden were Kozue Amano, Rin Asano, Mayumi Azuma, Nanae Chrono, Moyamu Fujino, Maki Hakoda, Sakura Kinoshita, Satomi Kubo, Hiro Matsuba, Minene Sakurano, Kazusa Saitou, Kaili Sorano, Seiuchirou Todono, Sirou Tunasima, and Natsuki Yoshimura.