Cleveland, Detroit, Pittsburgh and Toronto folded before the season started, leaving the BAA with only seven teams. The Baltimore Bullets were brought into the league from the American Basketball League to provide a more convenient number, eight.
^ abcdThe 1948 BAA Playoffs did not generate Eastern and Western champions and runners-up, as NBA Playoffs have done from 1951 to present. Eastern and Western leaders, or perhaps champions, Philadelphia and St. Louis played off to determine one finalist while four runners-up played off to determine the other finalist.
The listed teams were BAA playoff finalists and semifinalists, as Eastern and Western champions and runners-up in the NBA have been playoff finalists and semifinalists from 1951 to present.
^Philadelphia may reasonably be called Eastern champion.