Lee Seong-yong (Korean: 이성용; born 1964) is a South Korean air force general.

He served as Chief of Staff of the Air Force of the Republic of Korea Air Force from 23 September 2020 to 4 June 2021.

[2][3] He stepped down after an air force master sergeant was arrested on charges of sexually harassing a female colleague.

[4] She committed suicide in May 2021.

This biographical article about the military of South Korea is a stub.