Vissel Kobe (JPN)
- 2023 J1 League champions – first title
- 2020 ACL semi-finalists
- 3rd ACL appearance, first since 2022

Ulsan HD FC (KOR)
- Two-time ACL champions
- 2023 K League 1 champions – 4th title and 2nd in a row
- 12th ACL appearance, 8th in a row – longest current streak of any club

Shanghai Port FC (CHN)
- 2023 Chinese Super League champions – 2nd title after first title in 2018
- 2017 semi-finalists
- 6th ACL appearance, first since 2020

Buriram United FC (THA)
- 2023/24 Thai League 1 champions – 10th title and 4th in a row, both records
- 2013 quarter-finalists
- 9th ACL appearance – most of any Thai club

Central Coast Mariners (AUS)
- 2023/24 A-League premiers and champions
- Won the 2023/24 AFC Cup winners – first title
- 1 KO Stage appearance: Round of 16 in 2013
- 5th ACL appearance, first since 2014

Johor Darul Ta’zim (MAS)
- 2023 Malaysia Super League champions – record 10th title and 10th in a row
- 5th ACL appearance, 4th in a row
- Reached Round of 16 in 2022
- Only Malaysian club to ever play in ACL

Kawasaki Frontale (JPN)
- 2023 Emperor’s Cup winners – 2nd title
- 4-time league champions
- 3-time quarter-finalists
- 11th ACL appearance – most by any Japanese club
- 4th ACL appearance in a row

FC Pohang Steelers (KOR)
- 2009 ACL champions and 2021 finalists
- 2023 Korean FA Cup winners
- 5-time league champions
- 10th ACL appearance

Shanghai Shenhua FC (CHN)
- 2023 Chinese FA Cup winners – 6th title
- 2006 quarter-finalists
- 8th ACL appearance, first since 2020

Yokohama F. Marinos FC (JPN)
- 2023/24 ACL finalists
- 2023 J1 League runners-up
- 5-time league champions
- 7th ACL appearance, 3rd in a row

Gwangju FC (KOR)
- 3rd in 2023 K League 1 – best ever finish
- Only team making their Continental debut

Shandong Taishan (CHN)
- 2023 Chinese Super League runners-up
- 4-time league winners
- 3-time quarter-finalists
- 12 ACL appearances – most by any Chinese club