This is a list of Turkish football transfers for the 2020–21 winter transfer window by club.
Only transfers of clubs in the Süper Lig are included.
The winter transfer window opened on 1 January 2021, although a few transfers took place prior to that date.
The window closed at midnight on 2 February 2021.
Players without a club may join one at any time, either during or in between transfer windows.
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