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.