Oscar Calderon

Oscar Castelo Calderon (October 1, 1951 – March 8, 2025) was a retired Filipino police officer who served as the chief of the Philippine National Police. At the time of his appointment by then President Gloria Macapagal-Arroyo as chief of the Philippine National Police (PNP), Calderon admitted in a radio interview that he was a "distant relative" of the latter. Shortly before his appointment, his younger brother, Comm. Leonard Calderon, became deputy chief of the Intelligence Service of the Armed Forces of the Philippines.

Career Early years After graduation from the PMA, he became a junior officer of the then Philippine Constabulary–Integrated National Police (PC–INP). and served as well—as the police agency's deputy chief for administration. Southern Tagalog, and Laguna; as well as head of the Directorate for Comptrollership, and deputy of the Directorate for Investigative and Detective Management.

In his first month in office, on August 1, President Arroyo imposed a ten-week deadline for the solution of high-profile killings of political activists and journalists during her term, particularly at least ten of them; as well as the arrest of suspects. The Department of Justice (DOJ) and the PNP were instructed for the special investigation, which was headed by Task Force Usig and whose deadline was on October 7 but only produced little progress as only few cases were filed. By the second week, Calderon claimed solving two of them. a day after being appointed by the President to replace Ricardo Dapat following the reported unauthorized trip of another former legislator and rape convict Romeo Jalosjos. It was during his term that Jalosjos was only freed from the New Bilibid Prison in Muntinlupa in 2009.

Calderon was replaced by newly-installed President Benigno Aquino III (Arroyo's successor) in October 2010. In 2011, following the reported unauthorized trip of another former politician and homicide convict Antonio Leviste, DOJ investigators implicated Calderon for alleged special treatment to Leviste, during his term. He was also implicated by a newspaper source in the same case of murder convict Rolito Go.