The 2021–22 BNXT League is the inaugural season of the BNXT League, the highest professional basketball league in Belgium and the Netherlands. It replaces the Dutch Basketball League and the Pro Basketball League. The season started with the BNXT Supercup on 19 September, while the regular season began on 24 September 2021. The season ended on 11 June 2022 with the final game of the Finals. ZZ Leiden won the inaugural BNXT championship. Heroes Den Bosch won the Dutch national championship while Filou Oostende won the Belgian national championship.