Delfin Negrillo Lorenzana, OLH, KGOR (born October 28, 1948) is a retired Philippine Army general who served as Chairman of the Bases Conversion and Development Authority from 2022 until September 2024.

As Platoon leader and Company Commander, Lorenzana led men in the Mindanao and Luzon Campaigns against Moro National Liberation Front secessionists and NPA insurgents, respectively.

He gained national prominence after successfully defending Malacañang against rebel soldiers who attempted to overrun the palace in November to December 1989, by making sure that PSG troops were in constant readiness.

With four Infantry Battalions, a 155 Howitzer battery and one Light Armor Company under his command, the division was responsible for maintaining peace and order in South Cotabato, part of Sultan Kudarat, Sarangani and Davao del Sur.

During this time, Lorenzana served as a member of the Government Peace Panel during talks with the secessionist Moro Islamic Liberation Front (MILF) from 1998 to 2001.

They then maintained peace and order in their area of operation, enabling the local and national government to pursue development projects without interference from lawless elements.

On May 1, 2001, with three battalions of troops and armor assets, the unit effectively prevented the overrun of Malacañang Palace by about 70,000 pro-Erap mob who were bent on unseating then newly installed President Gloria Macapagal Arroyo.

During his stint at SOCOM, he led the conduct of the successful Balikatan 01-1 exercises involving United States Special Forces and AFP personnel in Mindanao.

The exercise contributed to the recovery by SOCOM elements of the American couple Martin and Gracia Burnham from their Abu Sayyaf kidnappers in July 2002.

In an interview with Reuters, he announced that crushing Abu Sayyaf, supporting the war against drugs, and enforcing sovereignty in the South China Sea will be his priorities.

At the same time, he also watches over the operations of the department's civilian bureaus - managing disaster preparedness,[11] developing self-reliant defense industry,[12] and improving the welfare and wellbeing of the country's defenders - the Filipino veterans[13] and our soldiers,[14] as well as their families.

[17] Under his leadership, the cluster crafted its roadmap until 2022 which the member agencies are resolutely fulfilling, as part of the government's sworn commitment to the Filipino people.

On May 23, 2017, shortly after the Marawi City was besieged by foreign and local terrorists,[18] he was appointed by the President Rodrigo Duterte as administrator of Martial Law in Mindanao, pursuant to Presidential Proclamation No.

[19] Under his guidance, the implementation of Martial Law by the security forces is one that was non-invasive and non-intrusive, but nonetheless, highly effective towards neutralizing the threats of rebellion, terrorism, and violent extremism.

Its objectives have been successfully achieved upon the termination of rebellion in Marawi City, Lanao del Sur, and other areas in Mindanao, effectively restoring peace and order.

[21] Government security forces were able to neutralize thousands of local, foreign and communist terrorist groups, most of whom surrendered while others were either captured or killed during military operations.

70 creating the National Task Force to End Local Communist Armed Conflict, he also fully supports Muslims in their exercise of their right to autonomy and self-determination under one Philippine Flag.

Among the vital assets delivered in 2020 include the BRP Jose Rizal,[26] the first missile frigate of the Philippine Navy; six brand-new Super Tucano from Brazil for close air support, light attack, aerial reconnaissance missions, and counter insurgency;[27] first batch of the Sikorsky S70-I Blackhawk Helicopters from Poland;[28] and Php1.38 billion worth of defense gears from the US Defense Department.

[29] In the next few months and years, the Philippines can expect the delivery of more planes to patrol its skies, more ships to defend its maritime domain, more equipment for Filipino troops to monitor and respond to threats, and better systems to quickly adapt to change.

He also actively promotes regional cooperation among ASEAN countries to strengthen resilience and sustain economic growth amidst the presence of hazards.

[34] Under the current administration, Php6.421 billion was ordered released by President Duterte to settle the arrearages in pensions of AFP retirees covering fiscal years 2008 to 2013.

[42][44] The abrogation was met with protests from the university's students and faculty, as well as progressive groups and government officials, calling it a threat to academic freedom.

[45][46][47] Nonetheless, on January 21, Lorenzana announced the unilateral abrogation of a similar pact between the DND and the Polytechnic University of the Philippines (PUP) that was signed in 1990.

[citation needed] In April 2021, while serving as Chairman of the National Task Force against COVID-19, Lorenzana revealed that he had contracted the virus, although he claims that he is asymptomatic.