The 1946–47 BAA season was the inaugural season of the Basketball Association of America. The league launched with 11 teams playing a 60-game schedule. The postseason tournament (the 1947 BAA Playoffs) at its conclusion, ended with the Philadelphia Warriors becoming the first BAA Champion, beating the Chicago Stags 4 games to 1 in the BAA Finals.
Following its third, the 1948–49 season, the BAA and National Basketball League merged to create the National Basketball Association or NBA. The NBA recognizes the three BAA seasons as part of its own history, sometimes without comment, so the 1946–47 BAA season is sometimes considered the first NBA season.