This is a list of Italian football transfers for the 2009–10 season.
The summer transfer window will run from the end of the 2008–09 season, with a few transfers taking place prior to the season's complete end.
Players without a club may join one, either during or in between transfer windows.
1Player officially joined his new club on July 1, 2009.
2Player officially joined his new club after Copa Libertadores