The National Basketball League (NBL), for sponsorships reasons known as the betPawa National Basketball League, is the premier basketball league for clubs in Tanzania. The league is organized by the Tanzania Basketball Federation (TBF) and consist out of 10 teams.
The champions of the NBL are eligible to play in Road to BAL, the qualifying rounds of the Basketball Africa League (BAL).
As of the 2024 season, ten teams are divided in three groups (A, B and C) for the first round, from which the best eight teams qualify for the quarterfinals. In the 2024 season, the champions received , while the runners-up received . Teams receive a "Lockerroom Bonus" of per won game.
The following were the twelve teams for the 2020 season: