| Club: | Başakşehir |
| Season: | 2022–23 |
| Chrtitle: | President |
| Chairman: | Göksel Gümüşdağ |
| Mgrtitle: | Head coach |
| Manager: | Emre Belözoğlu |
| Stadium: | Başakşehir Fatih Terim Stadium |
| League: | Süper Lig |
| League Result: | 5th |
| Cup1: | Turkish Cup |
| Cup1 Result: | Runners-up |
| Cup2: | UEFA Europa Conference League |
| Cup2 Result: | Round of 16 |
| League Topscorer: | Danijel Aleksić (8) |
| Season Topscorer: | Danijel Aleksić (14) |
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| Prevseason: | 2021–22 |
| Nextseason: | 2023–24 |
The 2022–23 season was the 33rd in the history of İstanbul Başakşehir F.K. and their ninth consecutive season in the top flight. The club participated in the Süper Lig, Turkish Cup, and UEFA Europa Conference League.
| Date | No. | Pos. | Player | From | Fee | Source |
|---|---|---|---|---|---|---|
| 30 June 2022 | — | FW |  Enzo Crivelli | Saint-Étienne | End of loan | |
| — | MF |  Peter Žulj | Fehérvár | End of loan | ||
| — | MF |  Azubuike Okechukwu | Yeni Malatyaspor | End of loan | ||
| — | DF |  Cemali Sertel | Çaykur Rizespor | End of loan | ||
| — | DF |  Carlos Ponck | Çaykur Rizespor | End of loan | ||
| — | DF | Mert Çelik | Neftçi PFK | End of loan | ||
| — | DF | Emre Kaplan | Hatayspor | End of loan | ||
| — | MF | Mete Kaan Demir | Eyüpspor | End of loan | ||
| — | DF | Muhammed Sarıkaya | Yeni Malatyaspor | End of loan | ||
| — | MF | Emir Şenocak | Menemen | End of loan | ||
| — | FW | Muhammet Arslantaş | Belediye Kütahyaspor | End of loan | ||
| — | MF | Salim Farsak | Alanya Kestelspor | End of loan | ||
| — | FW | Muzaffer Kahrıman | 52 Orduspor | End of loan | ||
| — | DF | Mustafa Kutay Pekşen | Bayrampaşa | End of loan | ||
| 9 May 2022 | 32 | DF | Francis Nzaba | Diables Noirs | Free | [2] |
| 6 June 2022 | — | MF | Alper Karaman | Esenler Erokspor | Free | [3] |
| 10 June 2022 | 20 | MF |  Lucas Biglia | Fatih Karagümrük | Free | [4] |
| 30 June 2022 | 59 | DF | Ahmed Touba | RKC Waalwijk | €2,000,000 | [5] |
| 8 July 2022 | 5 | DF |  Léo Duarte | AC Milan | €2,000,000 | [6] |
| 8 July 2022 | 11 | FW | Mounir Chouiar | Dijon | €1,500,000 | [7] |
| 14 July 2022 | 10 | MF | Mesut Özil | Fenerbahçe | Free | [8] |
| 22 August 2022 | 9 | FW | Bertrand Traoré | Aston Villa | Loan | [9] |
| 29 August 2022 | 17 | FW |  Philippe Kény | Bandırmaspor | €1,200,000 | [10] |
| 10 January 2023 | 4 | DF |  Wu Shaocong | Guangzhou | Free | [11] |
| 23 January 2023 | 51 | DF | Edgar Ié | Free agent | [12] | |
| 28 January 2023 | 88 | DF | Caner Erkin | Fatih Karagümrük | Free | [13] |
| 31 January 2023 | 72 | MF |  Eden Kartsev | Maccabi Netanya | €2,300,000 | [14] |
| 3 February 2023 | 11 | MF |  Adnan Januzaj | Sevilla | Loan | [15] |
| 17 February 2023 | 25 | FW | João Figueiredo | Gaziantep | €650,000 | [16] |
| 18 February 2023 | 22 | DF | Ayberk Kaygısız | Balıkesirspor | Undisclosed | [17] |
| 2 March 2023 | 80 | MF | Berkay Aydoğmuş | Nazilli Belediyespor | Undisclosed | [18] |
| Date | No. | Pos. | Player | To | Fee | Source |
|---|---|---|---|---|---|---|
| 30 June 2022 | 27 | FW |  Trézéguet | Aston Villa | End of loan | |
| 20 | MF | Pizzi | Benfica | End of loan | ||
| 48 | MF | Salih Uçan | Beşiktaş | End of loan | ||
| 5 | DF | Léo Duarte | AC Milan | End of loan | ||
| 1 July 2022 | — | MF | Soner Aydoğdu | Antalyaspor | Free | |
| 1 July 2022 | 4 | DF | Ravil Tagir | Westerlo | Loan | |
| 5 July 2022 | — | DF | Emre Kaplan | Adanaspor | Loan | |
| 16 July 2022 | — | MF | Emir Şenocak | Bandırmaspor | Free | |
| 20 July 2022 | — | FW | Abdulkadir Çelik | Kırşehir Futbol SK | Free | |
| 27 July 2022 | — | DF | Cemali Sertel | Antalyaspor | Loan | [19] |
| 28 July 2022 | — | FW | Atabey Çiçek | Bandırmaspor | Loan | [20] |
| 1 August 2022 | 52 | MF | Emre Çolak | Göztepe | Free | [21] |
| 6 August 2022 | — | MF | Salim Farsak | 1461 Trabzon | Free | |
| 7 August 2022 | — | MF | Alper Karaman | Esenler Erokspor | Loan | |
| 11 August 2022 | — | FW | Muzaffer Kahrıman | Uşakspor | Free | |
| 30 August 2022 | 27 | FW | Enzo Crivelli | Servette | Free | [22] |
| 31 August 2022 | 32 | MF | Peter Žulj | Changchun Yatai | Free | |
| 31 August 2022 | 28 | MF | Tolga Ciğerci | MKE Ankaragücü | Free | [23] |
| 1 September 2022 | — | DF | Carlos Ponck | Chaves | Free | [24] |
| 6 September 2022 | 22 | FW | Nacer Chadli | Westerlo | Loan | |
| 8 September 2022 | 22 | FW |  Fredrik Gulbrandsen | Adana Demirspor | Free | [25] |
| 8 September 2022 | — | MF | Mete Demir | Eyüpspor | Free | [26] |
| 8 September 2022 | — | DF | Mustafa Kutay Pekşen | Bayrampaşa | Free | |
| 8 September 2022 | — | DF | Muhammed Sarıkaya | Ankara Keçiörengücü | Loan | [27] |
| 6 January 2023 | 14 | MF | Azubuike Okechukwu | Çaykur Rizespor | Free | [28] |
| 16 January 2023 | 2 | DF | Hasan Ali Kaldırım | MKE Ankaragücü | Free | [29] |
| 19 January 2023 | 6 | DF |  Alexandru Epureanu | Ümraniyespor | Free | [30] |
| 24 January 2023 | 32 | DF | Francis Nzaba | Dinamo Tbilisi | Loan | [31] |
| 25 January 2023 | 55 | DF |  Youssouf Ndayishimiye | Nice | €11,500,000 | [32] |
| 28 January 2023 | 11 | FW | Mounir Chouiar | Kasımpaşa | Loan | [33] |
| 31 January 2023 | 9 | FW | Bertrand Traoré | Aston Villa | End of loan | [34] |
| 16 February 2023 | — | DF | Emre Kaplan | Bandırmaspor | Loan | |
| 17 February 2023 | 99 | FW | Atabey Çiçek | Bandırmaspor | Loan | |
| 6 March 2023 | 80 | DF | Júnior Caiçara | Contract termination | [35] | |
| 22 March 2023 | 10 | MF | Mesut Özil | Retired | [36] | |
See main article: 2022–23 Süper Lig.
The league schedule was released on 4 July.[37]
See main article: 2022–23 Turkish Cup.
See main article: 2022–23 UEFA Europa Conference League.
The draw for the second qualifying round was held on 15 June 2022.
The draw for the third qualifying round was held on 18 July 2022.
The draw for the play-off round was held on 2 August 2022.
The draw for the group stage was held on 26 August 2022.[38]