| 04 Sept 23 | E. Bailly Eric Bailly |  Manchester UnitedMAN | → |  BesiktasBES | Undisclosed |
| 01 Sept 23 | A. Bayindir Altay Bayindir |  FenerbahceFEN | → | Manchester UnitedMAN | Undisclosed |
| 01 Sept 23 | M. Jurado Marc Jurado | Manchester UnitedMAN | → |  EspanyolESP | Undisclosed |
| 01 Sept 23 | M. Greenwood Mason Greenwood | Manchester UnitedMAN | → |  GetafeGET | Loan |
| 01 Sept 23 | S. Amrabat Sofyan Amrabat |  FiorentinaFIO | → | Manchester UnitedMAN | Loan |
| 01 Sept 23 | Á. Fernández Álvaro Fernández | Manchester UnitedMAN | → | GetafeGET | Loan |
| 01 Sept 23 | J. Evans Jonny Evans | XXX | → | Manchester UnitedMAN | Free |
| 01 Sept 23 | C. McNeill Charlie McNeill | Manchester UnitedMAN | → |  StevenageSTE | Loan |
| 01 Sept 23 | S. Reguilón Sergio Reguilón |  Tottenham HotspurTOT | → | Manchester UnitedMAN | Loan |
| 31 Aug 23 | D. Henderson Dean Henderson | Manchester UnitedMAN | → |  Crystal PalaceCRY | Undisclosed |
| 24 Aug 23 | B. Williams Brandon Williams | Manchester UnitedMAN | → |  Ipswich TownIPS | Loan |
| 15 Aug 23 | M. Kovar Matej Kovar | Manchester UnitedMAN | → |  Bayer LeverkusenB04 | Undisclosed |
| 13 Aug 23 | Fred | Manchester UnitedMAN | → | FenerbahceFEN | Undisclosed |
| 05 Aug 23 | R. Højlund Rasmus Højlund |  AtalantaATA | → | Manchester UnitedMAN | Undisclosed |
| 02 Aug 23 | N. Bishop Nathan Bishop | Manchester UnitedMAN | → |  SunderlandSUN | Undisclosed |
| 27 Jul 23 | W. Fish William Fish | Manchester UnitedMAN | → |  HibernianHIBS | Loan |
| 25 Jul 23 | A. Elanga Anthony Elanga | Manchester UnitedMAN | → |  Nottingham ForestNFO | Undisclosed |
| 23 Jul 23 | A. Telles Alex Telles | Manchester UnitedMAN | → |  Al NassrNSR | Undisclosed |
| 22 Jul 23 | C. Savage Charlie Savage | Manchester UnitedMAN | → |  ReadingREA | Undisclosed |
| 20 Jul 23 | A. Onana André Onana |  InternazionaleINT | → | Manchester UnitedMAN | Undisclosed |
| 20 Jul 23 | B. Hardley Bjorn Hardley | Manchester UnitedMAN | → |  FC UtrechtUTR | Undisclosed |
| 18 Jul 23 | J. Evans Jonny Evans | XXX | → | Manchester UnitedMAN | Free |
| 05 Jul 23 | M. Mount Mason Mount |  ChelseaCHE | → | Manchester UnitedMAN | Undisclosed |
| 01 Jul 23 | Z. Iqbal Zidane Iqbal | Manchester UnitedMAN | → | FC UtrechtUTR | Undisclosed |
| 30 Jun 23 | E. Laird Ethan Laird | Manchester UnitedMAN | → |  Birmingham CityBIR | Undisclosed |
| 31 Jan 23 | C. McNeill Charlie McNeill | Manchester UnitedMAN | → |  Newport CountyNEW | Loan |
| 31 Jan 23 | M. Sabitzer Marcel Sabitzer |  Bayern MunichMUN | → | Manchester UnitedMAN | Loan |
| 31 Jan 23 | A. Tuanzebe Axel Tuanzebe | Manchester UnitedMAN | → |  Stoke CitySTK | Loan |
| 31 Jan 23 | D. Bernard Di'Shon Bernard | Manchester UnitedMAN | → |  PortsmouthPOR | Loan |
| 27 Jan 23 | C. Savage Charlie Savage | Manchester UnitedMAN | → |  Forest Green RoversFGR | Loan |
| 19 Jan 23 | S. Shoretire Shola Shoretire | Manchester UnitedMAN | → |  Bolton WanderersBOL | Loan |
| 13 Jan 23 | W. Weghorst Wout Weghorst |  BurnleyBUR | → | Manchester UnitedMAN | Loan |
| 06 Jan 23 | J. Butland Jack Butland | Crystal PalaceCRY | → | Manchester UnitedMAN | Loan |