This is a list of French football transfers for the 2010 winter transfer window. The winter transfer window opened on 1 January 2010, although a few transfers took place prior to that date, and closed midnight on 31 January 2010. Only moves involving Ligue 1 and Ligue 2 clubs are listed. Players without a club may join one at any time, either during or in between transfer windows.
| Date | Name | Moving from | Moving to | Fee | |
|---|---|---|---|---|---|
 | Undisclosed[1] | ||||
 | Undisclosed[2] | ||||
 | Free | ||||
 | Loan | ||||
 | Free | ||||
| Free | |||||
| | Free | ||||
| Undisclosed | |||||
| Free | |||||
 | Undisclosed[3] | ||||
| | Free | ||||
| | Loan | ||||
| | Free | ||||
| | Free | ||||
 | Free | ||||
| Free | |||||
| | Loan | ||||
| | Loan | ||||
| | Undisclosed | ||||
| | Free | ||||
| | Free | ||||
| | Free | ||||
| Free | |||||
 | Free | ||||
| | Undisclosed | ||||
| | Loan | ||||
| | Undisclosed | ||||
| Undisclosed | |||||
| | Free | ||||
| | Loan | ||||
| | Undisclosed | ||||
| | Loan | ||||
| Free | |||||
| €0.4M | |||||
| | Loan | ||||
| | Loan | ||||
| | Loan | ||||
 | €0.15M | ||||
| | Loan | ||||
| Free | |||||
 | Loan | ||||
| | Loan | ||||
| | Undisclosed | ||||
| Loan | |||||
| | Undisclosed | ||||
| | Loan | ||||
| €10M[4] | |||||
| | Loan | ||||
| | Loan | ||||
| | Loan | ||||
| Undisclosed | |||||
| | Free | ||||
| | Loan | ||||
 | €4M | ||||
 | Loan | ||||
 | Free | ||||
| | Undisclosed | ||||
 | Free | ||||
| | Loan | ||||
| | Loan | ||||
| | Undisclosed | ||||
| | Loan | ||||
| Loan | |||||
| | Free | ||||
 | Loan | ||||
| | Loan | ||||
| | Undisclosed | ||||
| Free | |||||
| | Undisclosed | ||||
| | Unattached | Free | |||
| | Loan | ||||
| | Loan | ||||
| | €1.7M |