Keiji Fujiwara (藤原 啓治 Fujiwara Keiji?, born October 5, 1964) is a Japanese voice actor from Tokyo, who is affiliated with Air Agency.
His best known projects include Crayon Shin-chan as Hiroshi Nohara, Eureka Seven as Holland, Fullmetal Alchemist as Lieutenant-Colonel Hughes, Zoids: Chaotic Century as Irvine, Final Fantasy VII Advent Children as Reno, Kingdom Hearts II as Axel, Galaxy Angel as Volcott, Sgt. Frog as Paul, Blood+ as Nathan, Overman King Gainer as Kashimaru Bale, Mobile Suit Gundam 00 as Ali Al-Saachez, and Death Note as Shuichi Aizawa, Marvel Anime as Iron Man/Tony Stark. He is the official Japanese voice dub-over artist for actors Robert Downey, Jr. and Matthew Lillard.