List of South Korea by-elections

By-elections are held in South Korea when a political office becomes vacant.

List

 * 2011 Seoul mayoral by-election
 * 2011
 * 2012
 * 2013
 * 2014
 * 2015
 * 2016
 * 2017
 * 2018
 * 2019
 * 2020
 * 2021
 * 2022
 * 2022 Sangdang by-election