Hector Albert Cafferata Jr., USMCR (November 4, 1929 – April 12, 2016) was a United States Marine who received the Medal of Honor for his actions at the Battle of Chosin Reservoir during the Korean War. In November 1950, Private First Class Cafferata single-handedly held off a regimental-strength enemy and saved wounded Marines by hurling away a live grenade that had landed in their midst, at the cost of serious personal injury.