Jun Amaki (天木 じゅん, Amaki Jun, born 16 October 1995, in Itami, Hyōgo) is a Japanese gravure idol. She is nicknamed Jun-chan (じゅんちゃん).
Jun Amaki is represented by Watanabe Entertainment. She was formerly affiliated with Alice Projectas a member of the Japanese J-pop idol groups Kamen Joshi and Armor Girls.Amaki’s sister is Kamen Rider Girls’ Ayako Kuroda.
In 2018, Jun Amaki starred in two live action film adaptations of Kazuto Okada’s Hop Step Jump! manga series.