The Government of Arunachal Pradesh also known as the State Government of Arunachal Pradesh, or locally as State Government, is the governing body of the Indian state of Arunachal Pradesh and its 21 districts. It consists of an executive, led by the Governor of Arunachal Pradesh, a judiciary and a legislative branch.

Like other states in India, the head of state of Arunachal Pradesh is the Governor, appointed by the President of India on the advice of the Central government. The office of the governor post is largely ceremonial. The Chief Minister is the head of government and is vested with most of the executive powers. Itanagar is the capital of Arunachal Pradesh, and houses the Arunachal Pradesh Legislative Assembly and the secretariat