Gaziantep FK (Super Lig): every transfer in and out, fees paid and earned, squad market value, €10m spent and €1.3m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-07-01 | Salem M'Bakata | Gaziantep FK | Without Club | — |
| 2026-07-01 | Nazım Sangaré | Gaziantep FK | Without Club | — |
| 2026-07-01 | Kévin Rodrigues | Gaziantep FK | Without Club | — |
| 2026-02-13 | Mustafa Doğru | Gaziantep FK | Ban | — |
| 2026-02-13 | Halil Bağcı | Gaziantep FK | Without Club | — |
| 2026-02-03 | Juninho Bacuna | Gaziantep FK | FC Volendam | Loan |
| 2026-02-01 | Emmanuel Boateng | Gaziantep FK | Hapoel Tel Aviv | Free |
| 2026-01-20 | Rob Nizet | Gaziantep FK | Without Club | — |
| 2026-01-16 | Semih Güler | Gaziantep FK | Kayserispor | Free |
| 2026-01-13 | Enver Kulasin | Gaziantep FK | Sariyerspor | Loan |
| 2026-01-12 | Karamba Gassama | Dinamo City | Gaziantep FK | €200k |
| 2026-01-10 | Victor Ntino-Emo Gidado | NK Bravo | Gaziantep FK | — |
| 2026-01-09 | Denis Drăguș | Trabzonspor | Gaziantep FK | Loan |
| 2026-01-08 | Taha Güneş | Gaziantep FK | Kestel Cilek SK | Loan |
| 2026-01-08 | Nihad Mujakic | Partizan | Gaziantep FK | Loan |
| 2026-01-01 | Muhammet Akmelek | G.Antep FK Yth | Gaziantep FK | — |
| 2026-01-01 | Cemilhan Aslan | G.Antep FK U19 | Gaziantep FK | — |
| 2026-01-01 | Badou Ndiaye | Gaziantep FK | Without Club | — |
| 2025-09-12 | Yusuf Kabadayi | Augsburg | Gaziantep FK | Loan |
| 2025-09-12 | Rob Nizet | Willem II | Gaziantep FK | Free |