Endocrine Journal is a monthly peer-reviewed medical journal covering endocrinology published by The Japan Endocrine Society.

It was established in 1925 as Naibunpigaku Zasshi and renamed Nihon Naibunpigaku-kai Zasshi in 1927.

In 1954 it was restarted as an English journal, entitled Endocrinologia Japonica and obtained its current title in 1993.

[1] The editor-in-chief is Itaru Kojima (Gunma University).