United States Marine Corps personnel of the Korean War

James Alexander Craig Thom (May 26, 1933 – January 30, 2023) was an American author, best known for his works in the Western genre and colonial American history which are noted for their historical accuracy borne of his painstaking research. Thom graduated from Butler University in 1961 with a BA in Journalism after serving in the United States Marine Corps in the Korean War. He taught a course in journalism at Indiana University, and was a contributor to The Saturday Evening Post.

Samuel Lloyd Haynes (September 19, 1934 – January 1, 1987) was an American actor, best known for his starring role in the Emmy Award-winning series Room 222.

Robert Lloyd Griffin (February 12, 1929 – February 25, 2012) was a professional American football player who played linebacker for six seasons for the Los Angeles Rams and St. Louis Cardinals. Griffin played college football at the University of Arkansas and was selected in the second round of the 1952 NFL Draft by the Los Angeles Rams.

Calvin Leon Graham (April 3, 1930 – November 6, 1992) was the youngest U.S. serviceman to serve and fight during World War II and was one of the few known child soldiers to fight on behalf of the United States in the conflict. Following the attack on Pearl Harbor, he enlisted in the United States Navy from Houston, Texas on August 15, 1942, at the age of 12. His case was similar to that of Jack W. Hill, who was granted significant media attention due to holding service number one million during World War II, but later was discovered to have lied about his age and subsequently discharged.

Private First Class Whitt Lloyd Moreland (March 7, 1930 – May 29, 1951) was a United States Marine who heroically sacrificed his life to save the lives of fellow Marines by smothering a hand grenade with his body during the UN May–June 1951 counteroffensive of the Korean War. For this action on May 29, 1951, at Kwagch’i-Dong, PFC Moreland was posthumously awarded the United States' highest military decoration — the Medal of Honor. He was the 17th Marine to be awarded the Medal of Honor during the Korean War.

George Herman O'Brien Jr. (September 10, 1926 – March 11, 2005) was a United States Marine Corps officer who received the Medal of Honor, the United States's highest military decoration, for his actions during the First Battle of the Hook in the Korean War.

Robert Ernest Simanek (26 April 1930 – 1 August 2022) was a United States Marine and a recipient of the United States military's highest decoration, the Medal of Honor, for his actions during the Korean War.

Carson Abel Roberts (September 4, 1905 – December 19, 1983) was a lieutenant general in the United States Marine Corps.

Eugene Arnold Obregon (November 12, 1930 – September 26, 1950) was a United States Marine who was posthumously awarded the United States' highest military decoration for valor — the Medal of Honor — for sacrificing his life to save that of a wounded comrade during the Second Battle of Seoul. On September 26, 1950, Private First Class Obregon was fatally wounded by enemy machine gun fire while using his body to shield a wounded fellow Marine.

Major General Raymond Leroy Murray (January 30, 1913 – November 11, 2004) was a highly decorated United States Marine Corps officer who earned two Navy Crosses, one during World War II and a second during the Korean War. He retired from active duty on August 1, 1968.
As a lieutenant colonel on Saipan during World War II, General Murray was awarded his first Navy Cross for extraordinary heroism under fire, June 15, 1944, while commanding the 2nd Battalion 6th Marines, 2nd Marine Division. He was the inspiration for the battalion commander in Leon Uris's 1953 novel Battle Cry. During the Korean War, he was twice again cited for extraordinary heroism, earning the Army Distinguished Service Cross during the period of November 29 to December 4, 1950, and a second Navy Cross on December 6 and 7, 1950, as commander of the 5th Marines, 1st Marine Division (Reinforced).