Roi Klein (Hebrew: ???? ??????; IPA: [?o'?i klain]; (July 10, 1975—July 26, 2006) was an Israeli major in the Golani Brigade of the Israeli Defense Forces (and one of its most highly decorated soldiers) who died during the 2006 Lebanon War.
Klein was killed in the Battle of Bint Jbeil after jumping on a grenade to save his fellow soldiers.