List of 2008–09 NBA season transactions

The following is a list of all team-to-team transactions that have occurred in the National Basketball Association during the 2008–09 NBA season. It lists what team each player has been traded to, signed by, or claimed by, and for which players or draft picks, if applicable.

Free agency
The following lists players who join or leave other team via free agency. Some dates might be contrast from other sources.