All Winners ever of the AFC Champions League, CAF Champions League, Copa Libertadores, CONCACAF Champions League, OFC Champions League, and UEFA Champions League.
Includes previous iterations of the top-level Continental Competition; such as Asian Champion Club Tournament or European Cup.
All years are the final year of championship, such as 2001 would be the 2000-2001 competition. Ranges denote where multiple championships took place in the one year due to calendar changes