The National Women's Basketball League, often abbreviated to the NWBL, was an organization governing professional basketball leagues for women in the United States. The league was founded in 1997 and began play in the Fall of that year. The league held its season during the off-season of the WNBA. During the WNBA off-season, some WNBA players would play in the NWBL. The league ceased operations in 2007.