Private First Class Douglas Eugene Dickey (December 24, 1946 – March 26, 1967) was a United States Marine who posthumously received the Medal of Honor for heroism during Operation Beacon Hill 1, on March 26, 1967, while serving as a rifleman with Company C, 1st Battalion, 4th Marines, 9th Marine Amphibious Brigade, 3rd Marine Division, in the Republic of Vietnam.