The Pro Basketball League (PBL), was the highest tier level professional basketball league in Belgium for clubs. In 2021, the league was succeeded by the Belgian-Dutch BNXT League.
The league is organized by the Basketball League Belgium. The current president of the league is Maarten Bostyn.
The most successful team in the league is Oostende, which holds the record for the most league titles won, with 22, and the now defunct team of Racing Mechelen is second, with 15.
On 15 March 2020, as a result of the COVID-19 pandemic the season was prematurely cancelled. Based on the standings in the regular season, Filou Oostende was crowned national champions.