
Chang Do-yong was a South Korean general, politician and professor who, as the Army Chief of Staff, played a decisive role in the May 16 coup and was the first chairman of the interim Supreme Council for National Reconstruction for a short time until his imprisonment.

Han Min-goo, is a former South Korean Minister of Defense. He is a former South Korean army general who served as the 40th Chief of Staff of the South Korean army as well as the 36th Chairman of the Joint Chiefs of Staff of the South Korean military.

Jeong Kyeong-doo is the 46th Minister of National Defense of South Korea. He was a former fighter pilot and General of the Republic of Korea Air Force serving as Chairman of the Joint Chiefs of Staff and the Air Force Chief of Staff.

General (Ret.) Kim Jang-soo, ROKA, was the 37th Chief of Staff of the Republic of Korea Army and the 40th Republic of Korea Minister of National Defense. He was a Grand National Party Representative in the National Assembly of South Korea from 2008 to 2012. General Kim graduated the Republic of Korea Military Academy in 1971. He graduated Korea National Defense University in 1988, then he earned master's degree in Arts at Graduate School of Public Administration, Yonsei University in 1989.

Kim Kwan-jin is Chief of The National Security Office in South Korea, following his appointment in the year of 2014. He was previously the 33rd Chairman of the Joint Chiefs of Staff of the South Korean armed forces and the Minister of National Defense.

Kim Tae-young was the 34th Chairman of the Joint Chiefs of Staff of the Republic of Korea Armed Forces and 42nd Republic of Korea Minister of National Defense.
Lee Beom-seok (1900–1972) was a Korean independence activist and the first Prime Minister of South Korea from 1948 to 1950. He also headed the Korean National Youth Association. His nickname was Chulgi.

Lee Ki-poong was a South Korean politician and Vice President. He was the Minister of National Defense and Mayor of Seoul. He was the leader of Liberal Party and supporter of Syngman Rhee. The Liberal Party held power from 1948 to 1960.

General (Ret.) Lee Sang-hee, ROKA, was the 32nd Chairman of the Joint Chiefs of Staff of the Republic of Korea Armed Forces and the 41st Republic of Korea Minister of National Defense.

Shin Sung-mo was an acting prime minister in 1950 following the first prime minister of South Korea, Lee Beom-seok. He served as a Defence Minister during the Korean War.

Sohn Won-yil was a South Korean naval vice admiral best known for being the first Chief of Naval Operations (CNO) of the Republic of Korea Navy. As one of the founding members of the Republic of Korea Navy, Sohn is generally regarded as the founder of the South Korean navy.

Song Yo Chan was prime minister of South Korea from 3 July 1961 to 16 June 1962. Previously, he had been the Head of the Ministry of Foreign Affairs and Trade from 22 July 1961 - 10 October 1961 and was a Lieutenant General. He ordered the arrest of corrupt officers in the army.

Song Young-moo is a former South Korean Minister of Defense.

Suh Wook, also known as Seo Wook, is a former South Korean Army General serving as Minister of National Defense under President Moon Jae-in from September 2020. He is the President Moon's first defense minister with an Army background as his predecessors came from other branches of Armed Forces.

Yoon Kwang-ung is a retired Vice Admiral of the Republic of Korea Navy & former South Korean Minister of National Defense. He held the 39th to hold the post, which he entered in July 2004 after being appointed by president Roh Moo-hyun. He graduated from Busan Commercial High School in 1961 and from the ROK Naval Academy in 1966. He served in various positions in the Navy from 1985 to 2000; thereafter, he worked for three years as an advisor to Hyundai Heavy Industries.