Harold George Schrier (October 17, 1916 – June 3, 1971) was a United States Marine Corps lieutenant colonel who served in World War II and the Korean War. In World War II, he was awarded the Navy Cross for leading the patrol that captured the top of Mount Suribachi, where he helped raise the first U.S. flag on Iwo Jima on February 23, 1945. In the Korean War, he was wounded in North Korea during the Battle of Chosin Reservoir while commanding a rifle company.