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This is a list of United States Marine Corps divisions.
| Official Name | Insignia | Headquarters |
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| Leadership |
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| Major commands | |||||
| Auxiliary | |||||
| Structure | |||||
| Personnel and training |
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| Uniforms and equipment | |||||
| History and traditions |
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| 1st Marines |  | |
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| 5th Marines | ||
| 7th Marines | ||
| 11th Marines | ||
| Other Battalions | ||
| 2nd Marines |  | |
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| 6th Marines | ||
| 8th Marines | ||
| 10th Marines | ||
| Other Battalions | ||
| 3rd Marines |  | |
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| 4th Marines | All battalions are part of other regiments in 1st Marine Division, the regiment in turn hosts units training at the Jungle Warfare Training Center. | |
| 9th Marines | All battalions are part of other regiments in 2nd Marine Division. | |
| 12th Marines | ||
| Other Battalions | ||
| 14th Marines |  | |
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| 23rd Marines |
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| 24th Marines | ||
| 25th Marines | ||
| Other Battalions | ||
The commandant of the Marine Corps (CMC) is normally the highest-ranking officer in the United States Marine Corps and is a member of the Joint Chiefs of Staff. The CMC reports directly to the secretary of the Navy and is responsible for ensuring the organization, policy, plans, and programs for the Marine Corps as well as advising the president, the secretary of defense, the National Security Council, the Homeland Security Council, and the secretary of the Navy on matters involving the Marine Corps. Under the authority of the secretary of the Navy, the CMC designates Marine personnel and resources to the commanders of unified combatant commands. The commandant performs all other functions prescribed in Section 8043 in Title 10 of the United States Code or delegates those duties and responsibilities to other officers in his administration in his name. As with the other joint chiefs, the commandant is an administrative position and has no operational command authority over United States Marine Corps forces.
The Marine Raiders are special operations forces originally established by the United States Marine Corps during World War II to conduct amphibious light infantry warfare. "Edson's" Raiders of 1st Marine Raider Battalion and "Carlson's" Raiders of 2nd Marine Raider Battalion are said to have been the first United States special operations forces to form and see combat during World War II.
Holland McTyeire "Howlin' Mad" Smith, KCB was a general in the United States Marine Corps during World War II. He is sometimes called the "father" of modern U.S. amphibious warfare. His nickname, "Howlin' Mad" Smith, had been given to him by his troops in the Dominican Republic in 1916.
Identification badges of the Uniformed Services of the United States are insignia worn by service members conducting special duties, many of which can be awarded as permanent decorations if those duties are performed successfully. There are a few identification badges that are awarded to all services, others are specific to a uniform service. The Office of the President and Vice President and department/service headquarters badges are permanent decorations for those who successfully serve in those assignments. Some of the service level identification badges can be permanent decorations and others are only worn by a service member while performing specific duties, such as the Military Police Badge.
Carol A. Mutter is a retired United States Marine Corps lieutenant general. She is the first woman in the history of the United States Armed Forces to be appointed to a three-star grade. She retired from the Marine Corps on January 1, 1999. Her last active duty assignment was as Deputy Chief of Staff, Manpower and Reserve Affairs at Marine Corps Headquarters in Washington, D.C.
Clifton Bledsoe Cates was a United States Marine Corps four-star general who served as the 19th Commandant of the Marine Corps from 1948 to 1951. He was honored for his heroism during World War I at the Battle of Belleau Wood, and for his inspired combat leadership at the Battle of Iwo Jima in World War II. He is considered one of the most distinguished young officers of World War I. Cates was one of the few officers from any branch of service to have commanded a platoon, a company, a battalion, a regiment, and a division each in combat.
In the United States Armed Forces, a lieutenant general is a three-star general officer in the United States Army, Marine Corps, Air Force, and Space Force.
Allen Hal Turnage was a United States Marine Corps General who earned the Navy Cross and the Distinguished Service Medal while leading the 3rd Marine Division on Bougainville and Guam in World War II.
The United States Fleet Marine Forces (FMF) are combined general- and special-purpose forces within the United States Department of the Navy that perform offensive amphibious or expeditionary warfare and defensive maritime employment. The Fleet Marine Forces provide the National Command Authority (NCA) with a responsive force that can conduct operations in any spectrum of conflict around the globe.
The United States Marine Corps is organized within the Department of the Navy, which is led by the Secretary of the Navy (SECNAV). The most senior Marine commissioned officer is the Commandant of the Marine Corps, responsible for organizing, recruiting, training, and equipping the Marine Corps so that it is ready for operation under the command of the unified combatant commanders. The Marine Corps is organized into four principal subdivisions: Headquarters Marine Corps, the Operating Forces, the Supporting Establishment, and the Marine Forces Reserve.
In the United States Armed Forces, a brigadier general is a one-star general officer in the United States Army, Marine Corps, Air Force, and Space Force.
The reconnaissance mission within the United States Marine Corps is divided into two distinct but complementary aspects; Marine Division Recon and Force Reconnaissance.
The United States Marine Corps Criminal Investigation Division is a federal law enforcement agency that investigates crimes against people and property within the United States Marine Corps.
