An adjutant general is a military chief administrative officer.
In Revolutionary France, the adjudant-général was a senior staff officer, effectively an assistant to a general officer. It was a special position for lieutenant-colonels and colonels in staff service. Starting in 1795, only colonels could be appointed to the position. It was supplemented by the rank of adjudant-commandant in 1800. In 1803 the position was abolished and adjudants-généraux reverted to the rank of colonel.
In Imperial Russia, the Adjutant general (Russian: ?- / General-adyutant) was an assistant who attended the Tsar, a field marshal or a general.
- Rank insignia
In India the Adjutant-General is the senior administration officer for the Indian Army and reports to the Chief of Army Staff.
In Pakistan, the Adjutant-General and Judge Advocate General is the army's most senior administration and legal officer.
In Sri Lanka the Adjutant-General is the senior administration officer for the Sri Lanka Army and reports to the Commander of the Army. The Adjutant General's (AGs) branch responsible for personal administration, welfare, medical services and rehabilitation.
For over 250 years the Adjutant-General to the Forces was one of the most senior officers in the British Army. He was responsible for developing the Army's personnel policies and supporting its people. Since 2016 the Adjutant-General has been renamed Commander Home Command with different responsibilities.
In the United States, there are three definitions of this term:
- The chief administrative officer of the United States Army, who is subordinated to the Army Chief of Staff, and works directly for the Assistant Chief of Staff, G-1, or ACS, G-1 (formerly known as the Deputy Chief of Staff, Personnel, or DCSPER). Formerly a major general position, as of 1984 it is a brigadier general billet. This officer is head of the Adjutant General's Corps and is responsible for the procedures affecting awards and decorations, as well as casualty operations, and for the administration and preservation of records of all army personnel. The post is held by Brigadier General Robert W. Bennett Jr.
- The chief administrative officer of a major military unit, such as a division, corps, or army. This officer is normally subordinated to the unit chief of staff and is known as the G-1.
- The senior military officer of a state's, commonwealth's, or territory's military forces, including the National Guard (Army National Guard and Air National Guard), the naval militia, and any state defense forces. This officer is known as the "AG" or the "TAG" and reports to the state's chief executive when the National Guard is not in a "federalized" status under Title 10 USC.