List of Italian football transfers winter 2009–10

This is a list of Italian football transfers for the 2009–10 season. Only moves from Serie A and Serie B are listed.

The winter transfer window will open for 4 weeks. Players without a club may join one, either during or in between transfer windows.

¹Player officially joined his new club on 2 January 2010.
²Player officially joined his new club on 4 January 2010.