The 2018 South Korean by-elections was held in South Korea on 13 June 2018, coinciding with the

local elections In many parts of the world, local elections take place to select office-holders in local government, such as mayors and councillors. Elections to positions within a city or town are often known as "municipal elections". Their form and conduct vary ...

. 12 seats to the National Assembly of South Korea were contested.

Reasons for by-elections

The following Members of National Assembly lost or resigned from their seats: * Seoul Nowon C District:

Ahn Cheol-soo Ahn Cheol-soo ( ; born 26 February 1962) is a South Korean politician, medical doctor, businessperson, and software entrepreneur. He currently serves as a member of the National Assembly as part of the conservative People Power Party. Pri ...

( People's), due to Ahn's candidacy for the President of South Korea. * Seoul

Songpa Songpa-gu (Hangul: 송파구) is a ''district'' of Seoul, South Korea. Previously known as Wiryeseong, the first capital of the kingdom of Baekje, Songpa is located in the southeastern part of Seoul, the capital city of South Korea. With roug ...

B District:

Choi Myung-gil Choi Myung-gil (born November 11, 1962) is a South Korean actress. Choi received several Best Actress awards for her portrayal of a proprietress who rents out her comic book shop as an overnight shelter in the 1994 film ''Rosy Life'' (also know ...

( People's), due to Choi's violation of the Public Official Election Act. * Busan Haeundae B District: Bae Duk-kwang ( Liberty Korea), due to Bae's resignation from the National Assembly. * Incheon Namdong A District: Park Nam-choon ( Democratic), due to Park's resignation from the National Assembly, to run 2018 Incheon mayoral election. * Gwangju

Seo Seo or SEO may refer to: * Search engine optimization, the process of improving the visibility of a website or a web page in search engines Organisations * SEO Economic Research, a scientific institute * Spanish Ornithological Society (''Socied ...

A District: Song Gi-seok ( People's), due to Song's violation of the Public Official Election Act and embezzlement. * Ulsan Buk District:

Yoon Jong-oh Yoon may refer to: *Yoon (Korean name), the ninth most common Korean family name *Yoon, stage name of Shim Ja-yoon, member of K-Pop group STAYC *Yōon, a feature of the Japanese language *Prabda Yoon (born 1973), a Thai novelist See also *Yun (disa ...

(

Minjung Minjung is a Korean word that combines the two hanja characters ''min'' () and ''jung'' (). ''Min'' is from ''inmin'' (), which may be translated as "the people", and ''jung'' is from ''daejung'' (), which may be translated as "the public". Th ...

), due to Yoon's violation of the Public Official Election Act. * North Chungcheong

Jecheon Jecheon () is a city in North Chungcheong Province, South Korea. The city is a major railway junction or a transportation mecca, served by the Jungang, Chungbuk and Taebaek Lines. Jecheon has scenic surroundings and several tourist spots like the ...

- Danyang District:

Kwon Suk-chang Gwon also written as Kwon () is a Korean family name. Some sources list as many 56 clans, but most of them were merged with the Andong Gwon clan under the Sijeung-gong faction soon after the establishment of the Goryeo Kingdom. Andong Gwon cla ...

( Liberty Korea),due to Kwok's violation of the Public Official Election Act. * South Chungcheong Cheonan A District:

Park Chan-woo A park is an area of natural, semi-natural or planted space set aside for human enjoyment and recreation or for the protection of wildlife or natural habitats. Urban parks are green spaces set aside for recreation inside towns and cities. N ...

( Liberty Korea), due to Park's violation of the Public Official Election Act. * South Chungcheong Cheonan C District:

Yang Seung-cho Yang may refer to: * Yang, in yin and yang, one half of the two symbolic polarities in Chinese philosophy * Korean yang, former unit of currency of Korea from 1892 to 1902 * YANG, a data modeling language for the NETCONF network configuration p ...

( Democratic), due to Yang's resignation from the National Assembly, to run 2018 South Chungcheong Province gubernatorial election. * South Jeolla

Yeongam Yeongam () is a city and county in South Jeolla Province, South Korea. Bordered with Mokpo and Naju to the north, Jangheung County to the east, and Haenam and Gangjin to the south, Yeongam County comprises two '' eups'' and nine '' myeons'', popul ...

–

Muan Muan County (''Muan-gun'') is a county in South Jeolla Province (''Jeollanam-do''), South Korea. In 2005, Muan County became the capital of ''Jeollanam-do'' following the transfer of the provincial office from its previous location, Gwangju to th ...

–

Sinan Sinan (Arabic: سنان ''sinān'') is a name found in Arabic and Pre-Islamic Arabic inscriptions, Early Arabic, meaning ''spearhead''. The name may also be related to the Ancient Greek name Sinon. It was used as a male given name. Etymology Th ...

District: Park Jun-yeong ( Democracy and Peace), due to Park's violation of the Public Official Election Act. * North Gyeongsang

Gimcheon Gimcheon (; , trans., 'gold spring city') is a city in North Gyeongsang Province, South Korea. It is situated on the major land transportation routes between Seoul and Busan, namely the Gyeongbu Expressway and Gyeongbu Line railway. In ancient ...

District:

Lee Cheol-woo Lee Cheol-uoo (; born August 15, 1955), also spelled Lee Cheol-woo, is a member of the National Assembly of South Korea. He was vice-governor of the Gyeongsangbuk-do Province from December 2005 to January 2008. He is currently the governor of N ...

( Liberty Korea), due to Lee's resignation from the National Assembly, to run 2018 North Gyeongsang Province gubernatorial election. * South Gyeongsang Gimhae B District: Kim Kyung-soo ( Democratic), due to Kim's resignation from the National Assembly, to run 2018 South Gyeongsang Province gubernatorial election.

Results

Seat control

Summary

References

{{South Korean elections

2018 File:2018 Events Collage.png, From top left, clockwise: The 2018 Winter Olympics opening ceremony in PyeongChang, South Korea; Protests erupt following the Assassination of Jamal Khashoggi; March for Our Lives protests take place across the Unit ...

2018 elections in South Korea June 2018 events in South Korea