Fenerbahçe Spor Kulübü U21, commonly known as Fenerbahçe Spor Kulübü B is a football club based in Istanbul, Turkey.

It is the reserve team of Fenerbahçe S.K.

and the club play in the U21 Ligi.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Players may hold more than one non-FIFA nationality.