The Philippine Army (PA) is the main, oldest and largest branch of the Armed Forces of the Philippines (AFP), responsible for ground warfare and as of 2021 had an estimated strength of 143,100 soldiers backed by 131,000 ready reserves. The service branch was established on December 21, 1935, as the Philippine Commonwealth Army. The Philippine Army has engaged in many conflicts including the ongoing Communist rebellion in the Philippines, the Moro conflict and, alongside other national military forces, in conflicts of international scope.

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.