Jun Maeda (麻枝 准, Maeda Jun, born January 3, 1975) is a Japanese writer and co-founder of the visual novel brand Key under VisualArt's. He is considered a pioneer of nakige visual novels, and has mainly contributed as a scenario writer, lyricist, and musical composer for the games the company produces. His style was originally inspired by James Herbert Brennan, and is influenced by Haruki Murakami's novel Hard-Boiled Wonderland and the End of the World.

Maeda's birth name in kanji was written as Maeda Jun (前田 純), though there is no change in pronunciation. Originally from Mie, Japan, he graduated from Mie high school and later went on to graduate from Chukyo University with a major in psychology. Before forming Key, Maeda worked for the company Tactics where he had a hand in the creation of two games for that company, Moon and One: Kagayaku Kisetsu e. After forming Key, Maeda has put much work into such titles as Kanon, Air, Clannad, Little Busters!, Angel Beats!, Charlotte, Summer Pockets, and The Day I Became a God. He is also the author of a manga series titled Hibiki's Magic.