South Korean football clubs in the AFC Champions League

This article shows results of South Korean football clubs in the AFC Champions League. South Korea's K League became the most successful league in the AFC Champions League by winning the most titles with twelve despite absenting itself from the competition for eight years from 1986 to 1993–94 season.

All-time table
The following statistics do not include qualifying rounds.

Comprehensive results
     
 * Champions
 * Runners-up
 * Third place
 * SF: Semi-finals
 * 4th: Fourth place
 * QF: Quarter-finals
 * R16: Round of 16
 * GS: Group stage
 * PO: Qualifying play-offs

AFC Champions League
!Part ! style="text-align:left;"| Jeonbuk Hyundai Motors || 16 ! style="text-align:left;"| Ulsan HD || 11 ! style="text-align:left;"| Suwon Samsung Bluewings || 10 ! style="text-align:left;"| Pohang Steelers || 9 ! style="text-align:left;"| FC Seoul || 8 ! style="text-align:left;"| Seongnam FC || 6 ! style="text-align:left;"| Jeju United || 3 ! style="text-align:left;"| Daegu FC || 3 ! style="text-align:left;"| Jeonnam Dragons || 3 ! style="text-align:left;"| Busan IPark || 1 ! style="text-align:left;"| Daejeon Hana Citizen || 1 ! style="text-align:left;"| Gyeongnam FC || 1 ! style="text-align:left;"| Incheon United || 1
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! 2002–03 ! 2004 ! 2005 ! 2006 ! 2007 ! 2008 ! 2009 ! 2010 ! 2011 ! 2012 ! 2013 ! 2014 ! 2015 ! 2016 ! 2017 ! 2018 ! 2019 ! 2020 ! 2021 ! 2022 ! 2023–24
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 * || SF || || style="background:gold;"|1st || QF || || || QF || style="background:silver;" |2nd || GS || R16 || R16 || QF || style="background:gold;"|1st || || QF || R16 || GS || QF || SF || QF
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 * || || || || || GS || style="background:gold;" |1st || QF || || GS || GS || QF || || GS || || || || || style="background:silver;"|RU || || R16
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