Jaime de los Santos (born April 1946, Nueva Écija, Philippines) is a retired military general in the Philippines. He joined the Philippine Army in 1969 after graduating from the Philippine Military Academy with a degree Bachelor of Science in Military Engineering. De los Santos later on served as a Brigade Commander, Chief of Staff and Commanding General of an Infantry Division and Superintendent of the Philippine Military Academy.
In 2000, United Nations Secretary-General Kofi Annan appointed de los Santos as the Supreme Commander of the United Nations’ International Force East Timor (INTERFET) and later as the Supreme Commander of the United Nations Transitional Administration in East Timor (UNTAET) International Peacekeeping Force in East Timor. He was the first Filipino officer to lead an international peacekeeping force in foreign soil.
In 2001, President Gloria Macapagal-Arroyo appointed de los Santos as the Chief of Staff and the Commanding General of the Philippine Army of the Armed Forces of the Philippines. He retired from military service on April 2002.