The Chief of Staff of the Armed Forces of the Philippines (CSAFP) is the highest-ranking military officer and the head of the Armed Forces of the Philippines (AFP), including all service branches under its command. The position is usually held by a four-star rank of General or Admiral. Its direct equivalent in the US Armed Forces is the Chairman of the Joint Chiefs of Staff. Unlike its US counterpart, which is merely supervisory, the Chief of Staff has complete operational control within the military hierarchy and is responsible for the overall operations of the AFP.

The Armed Forces of the Philippines (AFP) are the military forces of the Philippines. It consists of three main service branches; the Army, the Air Force, and the Navy. The President of the Philippines is the Commander-in-Chief of the AFP and forms military policy with the Department of National Defense, an executive department acting as the principal organ by which military policy is carried out, while the Chief of Staff of the Armed Forces of the Philippines serves as the overall commander and the highest-ranking officer in the AFP.