B is a football club based in Istanbul, Turkey.

It is the reserve team of Galatasaray and the club play in the U21 Ligi.

They play their home games at Metin Oktay Facilities in Florya, which is also the training ground of Galatasaray S.K.

The reserves head coach is Erkan Ültanır, who picks and manages the side.

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