Transfers
| In/Out | Date | Type | Club | Picture | Name | Age | Position | Nationality | Price |
|---|---|---|---|---|---|---|---|---|---|
| In | 2024-02-09 | Transfer | Karagümrük |  | Serdar Dursun | 32 | ST |  | Free |
| Out | 2024-02-08 | Transfer | RB Bragantino |  | Lincoln | 25 | CAM |  | Free |
| Out | 2024-02-07 | Transfer | Ümraniyespor |  | Tiago Çukur | 21 | ST | | Free |
| In | 2024-01-31 | Loan End | SK Beveren | | Tiago Çukur | 21 | ST | | Free |
| Out | 2024-01-31 | Transfer | Karagümrük |  | Emre Mor | 26 | RW | | Free |
| Out | 2024-01-31 | Transfer | Rayo Vallecano |  | Miguel Crespo | 27 | CM |  | Free |
| Out | 2024-01-30 | Transfer | Sivasspor |  | Bartuğ Elmaz | 21 | CDM | | Free |
| In | 2024-01-29 | Transfer | Atlético Madrid |  | Ç. Söyüncü | 27 | CB | | €2m |
| Out | 2024-01-14 | Transfer | Panathinaikos |  | Samet Akaydin | 30 | CB | | Free |
| Out | 2024-01-14 | Transfer | Pendikspor |  | Umut Nayir | 30 | ST | | Free |
| In | 2024-01-13 | Transfer | AC Mailand |  | Rade Krunic | 30 | CDM |  | Free |
| In | 2024-01-11 | Transfer | Union Berlin |  | L. Bonucci | 36 | CB |  | Free |
| Out | 2023-12-19 | Transfer | Without Club |  | Barış Sungur | 22 | ST | | Free |
| Out | 2023-09-15 | Transfer | Novi Pazar |  | Jin-ho Jo | 20 | CM |  | Free |
| Out | 2023-09-15 | Transfer | Ümraniyespor |  | Emre Demir | 20 | CAM | | Free |
| Out | 2023-09-15 | Transfer | Sivasspor |  | Burak Kapacak | 24 | RW | | Free |
| Out | 2023-09-15 | Transfer | Novi Pazar |  | Omar Fayed | 20 | CB |  | Free |
| Out | 2023-09-14 | Transfer | Karagümrük |  | Nazım Sangaré | 29 | RB | | Free |
| Out | 2023-09-01 | Transfer | Manchester Utd. |  | A. Bayındır | 26 | GK | | €5m |
| In | 2023-08-25 | Transfer | Dinamo Zagreb |  | D. Livakovic | 29 | GK |  | €6.65m |
| Out | 2023-08-25 | Transfer | Kocaelispor |  | Emir Ortakaya | 19 | CB | | Free |
| Out | 2023-08-25 | Transfer | Genclerbirligi |  | Y. Demir | 19 | CB | | Free |
| Out | 2023-08-25 | Transfer | Karagümrük | | Serdar Dursun | 32 | ST | | Free |
| Out | 2023-08-23 | Transfer | Inegölspor |  | Yusuf Kocatürk | 19 | CDM | | Free |
| Out | 2023-08-23 | Transfer | Inegölspor |  | Arda Çağdaş | 20 | CAM | | Free |
| Out | 2023-08-22 | Transfer | Real Valladolid |  | Gustavo Henrique | 31 | CB | | Free |
| Out | 2023-08-17 | Transfer | Panathinaikos |  | Willian Arão | 32 | CDM | | €2.5m |
| In | 2023-08-16 | Transfer | El Mokawloon | | Omar Fayed | 20 | CB | | €551k |
| Out | 2023-08-14 | Transfer | Igdir FK |  | Eyüp Akcan | 22 | CM | | Free |
| In | 2023-08-13 | Transfer | Ol. Marseille |  | Cengiz Ünder | 26 | RW | | €15m |
| In | 2023-08-13 | Transfer | Manchester Utd. |  | Fred | 31 | CM | | €9.743589m |
| Out | 2023-08-11 | Transfer | Iskenderunspor |  | Ç. Kurukalıp | 22 | LB | | Free |
| In | 2023-08-02 | Transfer | US Sassuolo |  | Mert Müldür | 25 | RB | | €2.8m |
| Out | 2023-08-02 | Transfer | Grêmio |  | João Pedro | 32 | ST | | Free |
| Out | 2023-08-02 | Transfer | Columbus |  | Diego Rossi | 26 | LW |  | €6m |
| Out | 2023-07-24 | Transfer | TSG Hoffenheim |  | Attila Szalai | 26 | CB |  | €12.3m |
| Out | 2023-07-21 | Transfer | Basaksehir |  | D. Pelkas | 30 | CAM |  | Free |
| In | 2023-07-20 | Transfer | Ol. Marseille | | Bartuğ Elmaz | 21 | CDM | | €1.4m |
| In | 2023-07-20 | Transfer | Udinese Calcio |  | Rodrigo Becão | 28 | CB | | €8.3125m |
| Out | 2023-07-17 | Transfer | PAOK Saloniki |  | Ally Samatta | 31 | ST |  | Free |
| In | 2023-07-16 | Transfer | Ajax Amsterdam |  | Dusan Tadic | 35 | LW |  | Free |
| In | 2023-07-12 | Transfer | Dinamo Moskau |  | S. Szymanski | 24 | CAM |  | €9.75m |
| In | 2023-07-11 | Transfer | Eyüpspor | | Umut Nayir | 30 | ST | | Free |
| In | 2023-07-10 | Transfer | R. Straßburg |  | Alexander Djiku | 29 | CB |  | Free |
| Out | 2023-07-07 | Transfer | SK Beveren | | Tiago Çukur | 21 | ST | | Free |
| Out | 2023-07-06 | Transfer | Real Madrid |  | Arda Güler | 19 | CAM | | €20m |
| Out | 2023-07-03 | Transfer | Internacional |  | Enner Valencia | 34 | ST |  | Free |
| Out | 2023-07-03 | Transfer | Genclerbirligi |  | E. Çetin | 20 | GK | | Free |
| Out | 2023-07-02 | Transfer | FC Augsburg |  | Mergim Berisha | 25 | ST |  | €4m |
| In | 2023-07-01 | Transfer | Göztepe |  | İ. Eğribayat | 25 | GK | | €1.2m |
| In | 2023-07-01 | Transfer | Fenerbahce U19 |  | Furkan Akyüz | 18 | GK | | Free |
| In | 2023-07-01 | Transfer | Fenerbahce U19 | | Jin-ho Jo | 20 | CM | | Free |
| In | 2023-07-01 | Transfer | Fenerbahce U19 | | Y. Demir | 19 | CB | | Free |
| In | 2023-07-01 | Transfer | Fenerbahce U19 | | Yusuf Kocatürk | 19 | CDM | | Free |
| In | 2023-07-01 | Transfer | Fenerbahce U19 | | Arda Çağdaş | 20 | CAM | | Free |
| In | 2023-07-01 | Transfer | Glasgow Rangers |  | Ryan Kent | 27 | LW |  | Free |
| In | 2023-07-01 | Transfer | Inter Mailand |  | Edin Dzeko | 38 | ST | | Free |
| In | 2023-07-01 | Transfer | Flamengo | | Gustavo Henrique | 31 | CB | | €1.4m |
| Out | 2023-07-01 | Transfer | SC Braga |  | Bruma | 29 | LW | | €6.5m |
| In | 2023-06-30 | Loan End | Göztepe | | Emir Ortakaya | 19 | CB | | Free |
| In | 2023-06-30 | Loan End | KRC Genk | | Ally Samatta | 31 | ST | | Free |
| In | 2023-06-30 | Loan End | FCV Dender EH | | Tiago Çukur | 21 | ST | | Free |
| In | 2023-06-30 | Loan End | FC Augsburg | | Mergim Berisha | 25 | ST | | Free |
| In | 2023-06-30 | Loan End | Hull City | | D. Pelkas | 30 | CAM | | Free |
| In | 2023-06-30 | Loan End | Karagümrük | | Burak Kapacak | 24 | RW | | Free |
| In | 2023-06-30 | Loan End | Igdir FK | | Eyüp Akcan | 22 | CM | | Free |
| In | 2023-06-30 | Loan End | Igdir FK | | Ç. Kurukalıp | 22 | LB | | Free |
| In | 2023-06-30 | Loan End | SC Braga | | Bruma | 29 | LW | | Free |
| In | 2023-06-30 | Loan End | Samsunspor | | Emre Demir | 20 | CAM | | Free |
| Out | 2023-06-30 | Loan End | Flamengo | | Gustavo Henrique | 31 | CB | | Free |
| Out | 2023-06-30 | Loan End | Al-Ahli |  | Ezgjan Alioski | 32 | LB |  | Free |
| Out | 2023-06-30 | Loan End | Göztepe | | İ. Eğribayat | 25 | GK | | Free |