liga])
Mistrzowie K3 League K3 League, Challengers League, K3 Challengers League (2007–2016) SezonMistrzowieWicemistrzowie2007Seoul UnitedHwasung Shinwoo Electronics2008Yangju CitizenHwasung Shinwoo Electronics2009Pocheon FCGwangju Gwangsan2010Gyeongju CitizenHwasung Shinwoo Electronics2011Gyeongju CitizenYangju Citizen2012Pocheon FCChuncheon FC2013Pocheon FCPaju Citizen2014Hwaseong FCPocheon FC2015Pocheon FCGyeongju Citizen2016Pocheon FCCheongju City
K3 League Advanced oraz K3 League Basic (2017–2019)
K3 League Advanced SezonMistrzowieWicemistrzowie2017Pocheon FCCheongju City2018Gyeongju CitizenIcheon Citizen2019Hwaseong FCYangpyeong FC
K3 League Basic SezonMistrzowieWicemistrzowie2017Jungnang ChorusSiheung Citizen2018Siheung CitizenPaju Citizen2019Ulsan Citizen FCJeonju Citizen
Lista klubów
Od momentu powstania K3 League w rozgrywkach wystąpiło 35 drużyn: