|Parent agency||Department of the Navy|
|Website||Headquarters Marine Corps website|
Headquarters Marine Corps (HQMC) is a headquarters staff within the Department of the Navy which includes the offices of the Commandant of the Marine Corps, the Assistant Commandant of the Marine Corps and various staff functions. The function, composition, and general duties of HQMC are defined in Title 10 of the United States Code, Subtitle C, Part I, Chapter 506 (Headquarters, Marine Corps).
HQMC "consists of the Commandant of the Marine Corps and those staff agencies that advise and assist him in discharging his responsibilities prescribed by law and higher authority. The Commandant is directly responsible to the Secretary of the Navy for the total performance of the Marine Corps. This includes the administration, discipline, internal organization, training, requirements, efficiency, and readiness of the service. The Commandant also is responsible for the operation of the Marine Corps material support system."
HQMC is currently spread throughout the Washington, D.C., Virginia, and Maryland area, to include the Pentagon, Henderson Hall, Marine Barracks, Washington, D.C., Marine Corps Base Quantico, and the Washington Navy Yard.