The Liga Nacional de Básquetbol (LNB) is the Argentine National Basketball League, and controlled by the Asociación de Clubes de Básquetbol (Association of Basketball Clubs).
The league was created through the efforts of coach León Najnudel in the 80s to make Argentine basketball more competitive through the merging of the many existing local leagues. It is designed like NBA with regular season, all-star game, and playoffs.