| 06 Sept 23 | S. Alzate Steven Alzate |  Brighton & Hove AlbionBHA | → |  Standard LiegeSTL | Loan |
| 04 Sept 23 | A. Zeqiri Andi Zeqiri | Brighton & Hove AlbionBHA | → |  Racing GenkGENK | Undisclosed |
| 01 Sept 23 | A. Fati Ansu Fati |  BarcelonaBAR | → | Brighton & Hove AlbionBHA | Loan |
| 01 Sept 23 | J. Furlong James Furlong | Brighton & Hove AlbionBHA | → |  Hull CityHUL | Undisclosed |
| 29 Aug 23 | C. Baleba Carlos Baleba |  LilleLILL | → | Brighton & Hove AlbionBHA | Undisclosed |
| 29 Aug 23 | C. Peupion Cameron Peupion | Brighton & Hove AlbionBHA | → |  Cheltenham TownCHL | Loan |
| 21 Aug 23 | Y. Ayari Yasin Ayari | Brighton & Hove AlbionBHA | → |  Coventry CityCOV | Loan |
| 18 Aug 23 | O. Offiah Odeluga Offiah | Brighton & Hove AlbionBHA | → |  Heart of MidlothianHOM | Loan |
| 14 Aug 23 | M. Caicedo Moisés Caicedo | Brighton & Hove AlbionBHA | → |  ChelseaCHE | Undisclosed |
| 11 Aug 23 | J. Weir Jensen Weir | Brighton & Hove AlbionBHA | → |  BlackpoolBLP | Loan |
| 08 Aug 23 | M. Karbownik Michal Karbownik | Brighton & Hove AlbionBHA | → |  Hertha BerlinBSC | Undisclosed |
| 05 Aug 23 | R. Sánchez Robert Sánchez | Brighton & Hove AlbionBHA | → | ChelseaCHE | Undisclosed |
| 02 Aug 23 | D. Undav Deniz Undav | Brighton & Hove AlbionBHA | → |  VfB StuttgartVFB | Loan |
| 02 Aug 23 | A. Connolly Aaron Connolly | Brighton & Hove AlbionBHA | → | Hull CityHUL | Undisclosed |
| 01 Aug 23 | E. Turns Ed Turns | Brighton & Hove AlbionBHA | → |  Leyton OrientLEY | Loan |
| 31 Jul 23 | C. Rushworth Carl Rushworth | Brighton & Hove AlbionBHA | → |  Swansea CitySWA | Loan |
| 29 Jul 23 | M. Leonard Marc Leonard | Brighton & Hove AlbionBHA | → |  Northampton TownNHT | Loan |
| 26 Jul 23 | Igor Julio |  FiorentinaFIO | → | Brighton & Hove AlbionBHA | Undisclosed |
| 25 Jul 23 | J. Sarmiento Jeremy Sarmiento | Brighton & Hove AlbionBHA | → |  West Bromwich AlbionWBA | Loan |
| 21 Jul 23 | R. Khadra Reda Khadra | Brighton & Hove AlbionBHA | → |  Stade de ReimsREIM | Undisclosed |
| 06 Jul 23 | K. Scherpen Kjell Scherpen | Brighton & Hove AlbionBHA | → |  SK Sturm GrazSTG | Loan |
| 03 Jul 23 | B. Verbruggen Bart Verbruggen |  AnderlechtAND | → | Brighton & Hove AlbionBHA | Undisclosed |
| 01 Jul 23 | A. Sima Abdallah Sima | Brighton & Hove AlbionBHA | → |  RangersRAN | Loan |
| 01 Jul 23 | M. Dahoud Mahmoud Dahoud |  Borussia DortmundDOR | → | Brighton & Hove AlbionBHA | Free |
| 01 Jul 23 | J. Milner James Milner |  LiverpoolLIV | → | Brighton & Hove AlbionBHA | Free |
| 01 Jul 23 | J. Beadle James Beadle | Brighton & Hove AlbionBHA | → |  Oxford UnitedOXF | Loan |
| 14 Jun 23 | A. Mac Allister Alexis Mac Allister | Brighton & Hove AlbionBHA | → | LiverpoolLIV | Undisclosed |
| 14 Jun 23 | João Pedro |  WatfordWAT | → | Brighton & Hove AlbionBHA | Undisclosed |
| 31 Jan 23 | A. Tsoungui Antef Tsoungui | Brighton & Hove AlbionBHA | → | LXXLommelLommel | Loan |
| 31 Jan 23 | S. Duffy Shane Duffy | Brighton & Hove AlbionBHA | → |  FulhamFUL | Undisclosed |
| 31 Jan 23 | J. Furlong James Furlong | Brighton & Hove AlbionBHA | → |  MotherwellMOT | Loan |
| 31 Jan 23 | J. Spong Jack Spong | Brighton & Hove AlbionBHA | → |  Crawley TownCRA | Loan |
| 31 Jan 23 | L. Tolaj Lorent Tolaj | Brighton & Hove AlbionBHA | → |  DundeeDUN | Loan |
| 30 Jan 23 | Y. Ayari Yasin Ayari |  AIKAIK | → | Brighton & Hove AlbionBHA | Undisclosed |
| 26 Jan 23 | Mark OMahony |  CorkCORK | → | Brighton & Hove AlbionBHA | Undisclosed |
| 20 Jan 23 | L. Trossard Leandro Trossard | Brighton & Hove AlbionBHA | → |  ArsenalARS | Undisclosed |
| 18 Jan 23 | J. Beadle James Beadle | Brighton & Hove AlbionBHA | → |  Crewe AlexandraCAX | Loan |
| 13 Jan 23 | E. Turns Ed Turns | Brighton & Hove AlbionBHA | → | Leyton OrientLEY | Loan |
| 13 Jan 23 | T. Miller Todd Miller | Brighton & Hove AlbionBHA | → |  Doncaster RoversDON | Loan |
| 10 Jan 23 | R. Khadra Reda Khadra | Brighton & Hove AlbionBHA | → |  Birmingham CityBIR | Loan |
| 06 Jan 23 | A. Connolly Aaron Connolly | Brighton & Hove AlbionBHA | → | Hull CityHUL | Loan |
| 01 Jan 23 | F. Buonanotte Facundo Buonanotte |  Rosario CentralROS | → | Brighton & Hove AlbionBHA | Undisclosed |