Junya Inoue (?? ??, Inoue Jun'ya, born 1971 in Shimanto, Kochi) is a Japanese manga artist.
He is also known by the name Joker Jun.
In 1991 he replied to a recruitment ad for Toaplan.
Along with some other staff Inoue was transferred to Gazelle before he left to join Cave, where he worked as character and graphic designer, sound producer, and a video game director.
ESP Ra.De.
was his first title as graphic director.
He debuted as a manga artist in 2002, with his work Otogi Matsuri (?????, lit.
Dark Offering).
His newest work, Btooom!, has been serialized since 2009 and is ongoing as of December 2016.