Hiroshi Kitadani (きただに ひろし, Kitadani Hiroshi, born August 24, 1968) is a Japanese singer, who primarily performs theme songs and other songs in anime. He also works behind the scenes of many songs. He currently works with JAM Project. He is most famous for singing the first, fifteenth, nineteenth (with Kishidan) and twenty-second opening themes of the popular anime series One Piece.