Jun Fukuyama (福山 潤?, Fukuyama Jun; born November 26, 1978) is a Japanese voice actor who has been lending his voice to a vast array of video games, dubs, and filmography since 1998. He also started a career as a singer in 2017. He is best known for his roles as Lelouch in Code Geass, Yukio Okumura in Blue Exorcist, Ichimatsu Matsuno in Osomatsu-san, Misaki Yata in K, Ren Amamiya/Joker in Persona 5, Kimihiro Watanuki in xxxHOLiC, Yuuta Togashi in Love, Chunibyo & Other Delusions, Koro-sensei in Assassination Classroom, King in The Seven Deadly Sins, and several other leading roles.

He was the Japanese voice of Ko Ide in FLCL Progressive.