Lee Seong-yong

{{for|the footballer|Lee Soung-yong}}

{{short description|South Korean air force general}}

{{family name hatnote|Lee||lang=Korean}}

{{Infobox officeholder

| name = Lee Seong-yong

| image =

| native_name = 이성용

| office = Chief of Staff of the Air Force

| primeminister =

| term_start = 23 September 2020

| term_end = 4 June 2021

| predecessor = Won In-choul

| successor =

| birth_date = {{birth year and age|1964}}{{cite web |author= |url=http://100.daum.net/encyclopedia/view/33XXX2124898 |title=이성용 |date= |website= |publisher=Daum (web portal) |access-date=15 February 2021 |quote=}}

| birth_place =

| allegiance = {{flag|South Korea}}

| branch = {{air force|South Korea}}

}}

Lee Seong-yong ({{langx|ko|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.{{Cite news|date=29 September 2020|title=ROTC general tapped as Army chief of staff for 1st time|work=Yonhap News Agency|url=https://en.yna.co.kr/view/AEN20200921003451325|access-date=13 February 2021}}{{Cite news|date=21 September 2020|title=Military Names New Army, Air Force Chiefs|work=TBS|url=http://tbs.seoul.kr/eFm/newsView.do?typ_800=N&idx_800=3405469&seq_800=|access-date=13 February 2021}}

He stepped down after an air force master sergeant was arrested on charges of sexually harassing a female colleague.{{Cite news|date=4 June 2021|title=South Korean air force chief offers to quit over death, abuse of sergeant|work=The Straits Times|url=https://www.straitstimes.com/asia/east-asia/south-korean-air-force-chief-offers-to-quit-over-death-abuse-of-sergeant|access-date=4 June 2021}} She committed suicide in May 2021.