List of 2009–10 NBA season transactions

This is a list of all personnel changes for the 2009 NBA off-season and 2009–10 NBA season.

Head coach changes

 * Legend:
 * Strike = fired or will not return for the 2009–10 season
 * Boldface = New head coach
 * Bold italics = Interim coach who was promoted to head coach

General manager changes

 * Legend:
 * Strike = fired or did not have contract renewed
 * Boldface = New General Manager

Player movement
The following is a list of player movement via free agency and trades.

Renounced
Detroit Pistons Memphis Grizzlies Portland Trail Blazers
 * Allen Iverson (to Grizzlies)
 * Antonio McDyess (to Spurs)
 * Wálter Herrmann
 * Chris Mihm
 * Darius Miles
 * Mike Wilks
 * Juan Carlos Navarro
 * Raef LaFrentz
 * Shavlik Randolph (to Heat)
 * Michael Ruffin

Training camp cuts
All players here did not make the final roster

NBA draft
The 2009 NBA Draft was held on June 25, 2009 in New York City at Madison Square Garden.