Sergeant Elbert Luther Kinser (October 21, 1922 – May 4, 1945) was a United States Marine who sacrificed his life at the Battle of Okinawa during World War II. He threw himself on a grenade, absorbing the explosion with his body and protecting his men, for which he received the Medal of Honor. It was presented to his parents on July 4, 1946, in Greeneville, Tennessee.