Saenuri Party
Saenuridang
Founded : November 21, 1997 (Grand National Party) / February 2, 2012 (Saenuri Party)
Website : www.saenuriparty.kr

Democratic Party of Korea (South Korea, 2015)
Deobuleo Minjudang
Founded : 26 March 2014 (New Politics Alliance for Democracy) / 28 December 2015 (The Minjoo Party of Korea)
Website : theminjoo.kr

People's Party (South Korea)
Gungminui Dang
Founded : January 10, 2016 (unofficially); February 2, 2016 (officially)
Website : people21.kr

Justice Party (South Korea)
Jeonguidang
Founded : 21 October 2012
Website : Justice21.org/

Extra-parliamentary parties

Labor Party (South Korea)
Founded : 21 July 2013
Website : www.laborparty.kr

Christian Liberal Party
Founded : March 3, 2016
Website : clparty.kr

Green Party Korea
Founded : March 2012
Website : kgreens.org

Minjoo Party (2014)
Founded : September 21, 2014

People's New Party for Reform
Founded : November 13, 2012
Website : newpolitics.co.kr

People's United Party (South Korea)
Founded : February 27, 2016
Website : 99people.kr

Hannara Party