List of twin towns and sister cities in South Korea

This is a list of places in South Korea which have standing links to local communities in other countries.

In most cases, the association, especially when formalised by local government, is known as "town twinning" (usually in Europe) or "sister cities" (usually in the rest of the world).

Ansan[1] Anseong[2] Anyang[3] Bonghwa[4] Boryeong[5] Buan[6] Bucheon[7] Busan[8] Changwon[9] Cheonan[10] Cheongdo[11] Cheongju[12] Cheorwon[13] Chuncheon[14] Chungju[15] Daegu[16] Daegu – Seo[17] Daejeon[18] Daejeon – Jung[19] Daejeon – Seo[20] Daejeon – Yuseong[21] Dangjin[22] Donghae[23] Gangneung[24] Gimcheon[25] Gimhae[26] Gimpo[27] Goyang[28] Gunsan[29] Guri[30] Gurye[31] Gwacheon[32] Gwangju[33] Gwangmyeong[34] Gyeongju[35] Gyeongsan[36] Hanam[37] Hoengseong[38] Hongcheon[39] Icheon[40] Iksan[41] Incheon[42] Incheon – Gyeyang[43] Jangheung[44] Jecheon[45] Jeju City[46] Jeonju[47] Jeongeup[48] Jinju[49] Miryang[50] Mokpo[51] Naju[52] Namyangju[53] Nonsan[54] Osan[55] Paju[57] Pohang Pyeongtaek[63] Samcheok[65] Sejong has no sister cities.

[66] Seogwipo[46][67][68] Seongnam[69] Seoul[70] Seoul – Dobong[71] Seoul – Eunpyeong[72] Seoul – Gangdong[73] Seoul – Gangnam[74] Seoul – Gangseo[76] Seoul – Gwanak[77] Seoul – Gwangjin[78] Seoul – Jongno[79] Seoul – Jungnang[80] Seoul – Mapo[81] Seoul – Seocho[82] Seoul – Songpa[83] Seoul – Yangcheon[84] Seoul – Yeongdeungpo[85] Sinan[86] Suncheon Suwon[93] Tongyeong[94] Uiwang[95] Ulsan[96] Wando[97] Wonju[98][99] Yanggu[100] Yangju[101] Yangyang[102] Yeoju[103] Yeongam[104] Yeongcheon[105] Yeongju[106] Yesan[107] Yongin[108]