| Defenders · 9 |
| Lilian NjohLeft-Back | 24 | Cameroon · France | 180 cm | left | Jul 2025from US Salernitana 1919 | Jun 2027 |
| Marco BurchCentre-Back | 26 | Switzerland | 184 cm | right | Jan 2026from Legia Warszawa | Jun 2028 |
| Bradley MazikouLeft-Back | 30 | Congo · France | 172 cm | right | Jan 2023from Aris Thessaloniki | Jun 2028 |
| Quentin MaceirasRight-Back | 31 | Switzerland · Spain | 180 cm | right | Jul 2026from Puskás Akadémia FC | Jun 2028 |
| Houboulang MendesRight-Back | 28 | Guinea-Bissau · France | 185 cm | right | Jan 2026from Fortuna Sittard | Jun 2028 |
| Yoan SeverinCentre-Back | 29 | France | 186 cm | left | Jul 2018from Zulte Waregem | Jun 2028 |
| Dylan BronnCentre-Back | 31 | Tunisia · France | 186 cm | right | Feb 2025from US Salernitana 1919 | Jun 2027 |
| Téo AllixCentre-Back | 22 | France | 183 cm | right | Feb 2026from Servette FC U21 | Jun 2028 |
| Steve RouillerCentre-Back | 36 | Switzerland | 183 cm | right | Jan 2018from Ablöse ? | Jun 2028 |
| Midfielders · 9 |
| Timothé CognatCentral MidfieldAnkle injury - Return unknown | 28 | France | 173 cm | right | Jan 2019from Ablöse €70K | Jun 2029 |
| Pedro NaressiDefensive Midfield | 28 | Brazil | 178 cm | right | Jan 2026from Ludogorets Razgrad | Jun 2028 |
| Thomas LopesRight Midfield | 19 | France | 182 cm | left | Mar 2026from Servette FC U21 | Jun 2029 |
| Lamine FombaDefensive Midfield | 28 | France · Mali | 188 cm | right | Jul 2025from AS Saint-Étienne | Jun 2028 |
| Ablie JallowRight Midfield | 27 | The Gambia | 166 cm | left | Jan 2025from FC Metz | Jun 2028 |
| Miroslav StevanovicRight Midfieldunknown injury - Return unknown | 36 | Bosnia-Herzegovina · Serbia | 180 cm | right | Jul 2017from FK Zeljeznicar Sarajevo | Jun 2027 |
| Jarell Njiké SimoCentral Midfield | 21 | Switzerland | 180 cm | right | Jan 2025from Servette FC U21 | Jun 2029 |
| David DoulineDefensive Midfield | 33 | France | 181 cm | right | Jan 2021from Rodez AF | Jun 2028 |
| Alonzo VincentCentral Midfield | 18 | Switzerland · Peru | 181 cm | right | Jan 2026from Servette FC U21 | Jun 2029 |
| Forwards · 7 |
| Kingstone MutandwaCentre-Forward | 23 | Zambia | 180 cm | right | Feb 2026from Cagliari Calcio | Jun 2027 |
| Jesper KarlssonLeft Winger | 28 | Sweden | 180 cm | right | Aug 2026from Bologna FC 1909 | Jun 2027 |
| David Datro FofanaCentre-Forwardunknown injury - Return unknown | 23 | Cote d'Ivoire | 182 cm | right | Aug 2026from Chelsea FC | Jun 2030 |
| Mathis LambourdeCentre-Forward | 20 | France · Guadeloupe | 179 cm | left | Jan 2026from Hellas Verona | Jun 2030 |
| Samuel MrázCentre-Forward | 29 | Slovakia | 183 cm | right | Jan 2025from Motor Lublin | Jun 2027 |
| Tiemoko OuattaraLeft Winger | 21 | Switzerland | 178 cm | right | Jan 2023from Servette FC U21 | Jun 2029 |
| Benoît SidaRight Wingerunknown injury - Return unknown | 19 | France · French Guiana | 171 cm | | — | Jun 2027 |