List of 1948–49 BAA season transactions

This is a list of all personnel changes for the 1948 BAA off-season and 1948–49 BAA season.

August 30, 1948

 * The Boston Celtics sold Mike Bloom to the Minneapolis Lakers.

October ?, 1948

 * The Chicago Stags sold Jim Seminoff to the Boston Celtics.

October 13, 1948

 * The New York Knicks sold Stan Stutz to the Boston Celtics.

October 25, 1948

 * The St. Louis Bombers sold Irv Rothenberg to the New York Knicks.

November 18, 1948

 * The Philadelphia Warriors signed Elmore Morgenthaler as a free agent.

November 19, 1948

 * The Boston Celtics signed Bob Doll as a free agent.
 * The Baltimore Bullets traded John Mahnken to the Indianapolis Jets for Freddie Lewis and Hal Tidrick.

November 20, 1948

 * The Chicago Stags sold Bill Roberts to the Boston Celtics.

December ?, 1948

 * The Minneapolis Lakers released Mike Bloom.

December 1, 1948

 * The Philadelphia Warriors sold Roy Pugh to the Fort Wayne Pistons.

December 2, 1948

 * The Baltimore Bullets claimed Johnny Ezersky on waivers from the Providence Steam Rollers.

December 15, 1948

 * The Philadelphia Warriors sold Bob O'Brien to the St. Louis Bombers.

December 19, 1948

 * The Indianapolis Jets traded Bruce Hale and John Mahnken to the Fort Wayne Pistons for Ralph Hamilton, Walt Kirk and Blackie Towery.

December 21, 1948

 * The Rochester Royals sold Lionel Malamed to the Indianapolis Jets.

December 28, 1948

 * The Washington Capitols waived Jack Toomay.

January ?, 1949

 * The St. Louis Bombers sold Giff Roux to the Providence Steam Rollers.
 * The Baltimore Bullets signed Jack Toomay as a free agent.
 * The Providence Steam Rollers released Earl Shannon.

January 2, 1949

 * Red Auerbach resigns as Head Coach for Washington Capitols.

January 16, 1949

 * The Boston Celtics traded Chick Halbert and Mel Riebe to the Providence Steam Rollers for George Nostrand.

January 21, 1949

 * The Boston Celtics signed Earl Shannon as a free agent.

January 26, 1949

 * The Indianapolis Jets traded Ray Lumpp to the New York Knicks for Tommy Byrnes and cash.

January 27, 1949

 * The Philadelphia Warriors sold Phil Farbman to the Boston Celtics.

January 28, 1949

 * The Chicago Stags signed Mike Bloom as a free agent.

January 30, 1949

 * The Fort Wayne Pistons sold Bob Kinney to the Boston Celtics.

February ?, 1949

 * The Boston Celtics claimed Johnny Ezersky on waivers from the Baltimore Bullets.

February 3, 1949

 * The Indianapolis Jets traded Charlie Black to the Fort Wayne Pistons for Leo Mogus and cash.

February 4, 1949

 * The Chicago Stags signed Carl Meinhold as a free agent.
 * The Chicago Stags sold Bill Miller to the St. Louis Bombers.

February 5, 1949

 * The Baltimore Bullets sold Irv Torgoff to the Philadelphia Warriors.

February 7, 1949

 * The Chicago Stags sold Whitey Kachan to the Minneapolis Lakers.
 * The Providence Steam Rollers traded Otto Schnellbacher to the St. Louis Bombers for Buddy O'Grady.

February 11, 1949

 * The St. Louis Bombers released Don Martin.
 * The Baltimore Bullets signed Don Martin as a free agent.
 * The New York Knicks traded Sid Tanenbaum to the Baltimore Bullets for Connie Simmons. Simmons was sent as the player to be named later in July 1949.

May ?, 1949

 * The Indianapolis Jets sold Tommy Byrnes to the New York Knicks.

June 22, 1949

 * The Boston Celtics sold Gene Stump to the Minneapolis Lakers.