Kazuhiko Torishima (Japanese: ?? ??, Hepburn: Torishima Kazuhiko, born October 19, 1952 in Ojiya, Niigata) is the Representative Director of the Hakusensha publishing company.
He formerly worked at Shueisha, where he began as an editor before becoming a Senior Managing Director (or CEO), and later a Shogakukan-Shueisha Productions director.
He is mostly associated with works from the manga magazine Weekly Shonen Jump, for which he was editor-in-chief from 1996 to 2001, and is best known for being author Akira Toriyama's editor during the run of Dr.