Surplus War Property scandal- disposed $90 billion of surplus war property held by the United States government in the final year of World War II, which caused a huge corruption scandal that led to the rise of the leftist HUKBALAHAP and for Roxas's approval ratings to crash toward the end of his administration.
PEA Amari Scam – Pres. Fidel V. Ramos was accused of corruption in the controversial deal that involved the acquisition of 158 hectares of reclaimed land on Manila Bay that was to be converted into so-called Freedom Islands.
Estrada Midnight Cabinet – Chief of Staff Aprodicio Laquian jests in a press conference that he is the only one sober during the President's "Midnight Cabinet," drinking and gambling sessions in Malacañan Palace.
Juetengate – Chavit Singson exposé on Pres. Joseph Estrada receiving jueteng payoffs and bribes. This led to the impeachment of Estrada and eventual downfall.
GSIS-Meralco bribery case – controversy involving Court of Appeals Presiding Justice Conrado Vasquez, Justices Vicente Roxas and Jose Sabio, for the allegations of bribery.
2008
Philippine National Broadband Network controversy – (also referred to as the NBN/ZTE deal or NBN/ZTE mess) involved allegations of corruption in the awarding of a US$329 million construction contract to Chinese telecommunications firm ZTE for the proposed government-managed National Broadband Network (NBN).
Euro Generals scandal – involves Eliseo de la Paz and several Philippine National Police officials who went to Russia in October 2008 to attend the Interpol conference. De la Paz was detained for carrying a large sum of undeclared money.
Manila hostage crisis – former president Benigno Aquino III's first term was marred by violence when eight Hong Kong tourists were killed by a disgruntled former police officer Rolando Mendoza, after a bungled hostage rescue attempt by the Manila Police District. The incident also strained ties between the Philippines and Hong Kong.
2016 Bureau of Immigration bribery scandal – involving former immigration deputy commissioners Al Argosino and Michael Robles for extorting and receiving ₱50 million from business tycoon Jack Lam, in exchange for the release of his Chinese casino employees, who were arrested for being illegal aliens.
DOT–PTV tourism advertisement controversy – involving former Tourism SecretaryWanda Tulfo Teo and Teo's brothers Ben and Erwin Tulfo for the ₱60 million worth of advertisements that the Tourism Department had placed with state-run television and aired over a public service program produced by Bitag Media Unlimited.
Buhay Carinderia scandal – involving former Tourism Promotions Board (TPB) chief operation officer Cesar Montano for the ₱80 million project that will feature Filipino street food and local eateries.
2018 Bureau of Customs drug smuggling scandal – involving former Customs Commissioner Isidro Lapeña and other officials for smuggling of the ₱11 billion worth of methamphetamine, locally known as shabu which was discovered inside the magnetic lifters in a warehouse in General Mariano Alvarez, Cavite.
"Pastillias Bribery" scandal – involved several officials of the Bureau of Immigration in the scheme in which mass numbers of Chinese nationals were escorted through the immigration process in exchange for tens of thousands of pesos for each applicant, which totaled to an estimated ₱40 billion.
Home quarantine breaching scandal – Senator Koko Pimentel breached COVID-19 home quarantine restrictions after testing positive to the virus by accompanying his pregnant wife to Makati Medical Centre. This forced a number of medical and hospital staff, who believed to have had contact with the senator, to quarantine.
Batangas mass gathering controversy – Overseas Workers Welfare Administration (OWWA) Deputy Administrator Mocha Uson violated the ban on mass gatherings when she organised a meeting with the quarantined 322 Overseas Filipino Workers (OFW) in Lian, Batangas on April 25, 2020. OWWA Administrator Hans Leo Cacdac suggested that there won't be any investigations happening on the alleged violation of the deputy administrator whilst the crisis is still occurring.
Mañanita party controversy – Metro Manila police chief Major General Debold Sinas and 18 other subordinates were charged for not following quarantine rules under the Republic Act No. 11332 (Mandatory Reporting of Notifiable Diseases and Health Events of Public Concern Act) on May 8, 2020. Despite photos of the gathering posted on the official page of the National Capital Region Police Office (NCRPO) on Facebook, Debold Sinas claimed that they followed social distancing measures. Debold Sinas, a presidential appointee, was then later defended by President Rodrigo Duterte saying that police chief will keep his position until further orders.
PhilHealth corruption scandal – involving former president and CEO Ricardo C. Morales and several other officials for the alleged corruption and anomalies within the agency based on the testimonies of former anti-fraud legal officer Atty. Thorsson Montes Keith on July 24, 2020.
2021 PDP–Laban dispute – involving Energy SecretaryAlfonso Cusi and several other personalities for the ousting of its party president, Sen. Manny Pacquiao and its executive vice chairman, Sen. Koko Pimentel on July 17, 2021. This dispute has led to the creation of two factions (Pimentel faction and Cusi faction).
Francisco Duque III, Michael Yang, Lloyd Christopher Lao, Warren Rex Liong, Linconn Ong, Mohit Dargani, Krizle Grace Mago
Pharmally scandal – involving Health SecretaryFrancisco Duque III and several other officials including Michael Yang, Lloyd Christopher Lao, Linconn Ong and Krizle Grace Mago for the alleged overpriced purchase of face masks, face shields and other medical equipment to the government in August 2021.