The PNP Organizational Structure is composed of the Central Office or the National Headquarters, which housed the office of the PNP Chief, two Deputy Chiefs, one for Administration and one for Operations. The Chief Directorial Staff and ten Directorial Staffs with the support of nine Administrative and ten Operational Units and seventeen Police Regional Offices (PROs) nationwide corresponding to the regional subdivisions of the country to include the NCRPO, PROs 1, 2, 3, 4A (CALABARZON), 4B (MIMAROPA), 5, 6, 7, 8, 9, 10, 11, 12, 13 (CARAGA), CAR and ARMM. It was on September 1, 2002 that PRO 4 was subdivided into PRO 4A (CALABARZON), which has jurisdiction over the provinces of Cavite, Laguna, Batangas, Rizal and Quezon, and PRO 4B (MIMAROPA), which has jurisdiction over the provinces of Mindoro, Marinduque, Romblon and Palawan.

The Police National Training Institute (PNTI) under the Philippine Public Safety College (PPSC), is the premier educational institution for the training, human resource development and continuing education of all personnel of the PNP. The Philippine National Police Academy is also under PPSC. PNTI main office is stationed at PRO 4 in Canlubang, Laguna with eighteen Regional Training Centers nationwide.