欧洲篮球联赛（Euroleague，简称EL），原名“欧洲篮球冠军杯”（European Champions' Cup），是欧洲最大规模的跨国男子职业篮球联赛，创立于1957年，现有来自欧洲18个国家的24支球队参加。

欧洲篮球冠军杯原由国际篮球联合会举办，但在2000年，一些顶级欧洲篮球俱乐部自行成立了欧洲篮球联赛联盟（ULEB），接管了欧洲篮球冠军杯，迫使国际篮联另行举办FIBA超级联赛，导致欧洲篮坛出现分裂，次年出现两个冠军。

2001年，国际篮联同ULEB妥协，将超级联赛并入冠军杯，改名为欧洲篮球联赛，此后国际篮联专职组织国家队比赛，退出俱乐部际比赛组织活动。

The Turkish Airlines Euroleague, commonly known as the Euroleague, is the highest level tier and most important professional club basketball competition in Europe, with teams from up to 18 different countries, members of FIBA Europe. For sponsorship reasons, for five seasons starting with 2010–11, it is named the Turkish Airlines Euroleague. The competition is controlled by the privately held Euroleague Basketball Company, which is headquartered in Barcelona, Catalonia, Spain, and features clubs that come from a Europe-wide consortium of leading professional basketball leagues, called ULEB. During the season, the Euroleague is broadcast on television in 199 countries and territories. It can be seen by up to 245 million (800 million via satellite) households weekly in China. It is also televised in the United States and Canada on NBA TV and available online through ESPN3. The Euroleague Final Four is broadcast on television in 201 countries.