Jun Matsumoto (松本 潤, Matsumoto Jun, born August 30, 1983), often called by the portmanteau nickname MatsuJun (松潤), is a Japanese singer, actor, radio host, concertmaster, dancer and model. He is a member of the boy band Arashi, and produces Arashi's concerts. He invented the moving stage in 2005 which has been subsequently used by several Asian musical acts. He is best known to Japanese television drama audiences for his portrayal as Tsukasa Dōmyōji in the Hana Yori Dango series, in which he won GQ Japan's Man of the Year Award under the singer/actor category for his work in the drama.
Matsumoto began his career in the entertainment industry when he joined the Japanese talent agency Johnny & Associates in 1996 at the age of 12. Prior to his debut as a singer with Arashi in 1999, Matsumoto started an acting career when he was cast as Teddy Duchamp for the stage play Stand by Me, which was based on the film of the same name. Since then, he has gone on to appear in numerous dramas and movies, receiving a number of awards and nominations for his roles.