| 28 Nov 13 | W. Keane Will Keane |  Manchester UnitedMAN | → |  Wigan AthleticWGA | Loan |
| 28 Nov 13 | Tom Lawrence | Manchester UnitedMAN | → |  Carlisle UnitedCAR | Loan |
| 28 Nov 13 | M. Keane Michael Keane | Manchester UnitedMAN | → |  Derby CountyDER | Loan |
| 28 Nov 13 | M. Keane Michael Keane | Manchester UnitedMAN | → | Derby CountyDER | Loan |
| 28 Nov 13 | W. Keane Will Keane | Manchester UnitedMAN | → | Wigan AthleticWGA | Loan |
| 21 Nov 13 | F. Macheda Federico Macheda | Manchester UnitedMAN | → |  Doncaster RoversDON | Loan |
| 21 Nov 13 | F. Macheda Federico Macheda | Manchester UnitedMAN | → | Doncaster RoversDON | Loan |
| 15 Nov 13 | B. Amos Ben Amos | Manchester UnitedMAN | → | Carlisle UnitedCAR | Loan |
| 01 Nov 13 | T. Blackett Tyler Blackett | Manchester UnitedMAN | → |  BlackpoolBLP | Loan |
| 01 Nov 13 | T. Blackett Tyler Blackett | Manchester UnitedMAN | → | BlackpoolBLP | Loan |
| 19 Sept 13 | J. Lingard Jesse Lingard | Manchester UnitedMAN | → |  Birmingham CityBIR | Loan |
| 19 Sept 13 | J. Lingard Jesse Lingard | Manchester UnitedMAN | → | Birmingham CityBIR | Loan |
| 16 Sept 13 | F. Macheda Federico Macheda | Manchester UnitedMAN | → | Doncaster RoversDON | Loan |
| 16 Sept 13 | F. Macheda Federico Macheda | Manchester UnitedMAN | → | Doncaster RoversDON | Loan |
| 02 Sept 13 | M. Fellaini Marouane Fellaini |  EvertonEVE | → | Manchester UnitedMAN | 27,500,000 |
| 02 Sept 13 | M. Vermijl Marnick Vermijl | Manchester UnitedMAN | → |  NEC NijmegenNEC | Loan |
| 02 Sept 13 | N. Powell Nick Powell | Manchester UnitedMAN | → | Wigan AthleticWGA | Loan |
| 02 Sept 13 | M. Vermijl Marnick Vermijl | Manchester UnitedMAN | → | NEC NijmegenNEC | Loan |
| 02 Sept 13 | N. Powell Nick Powell | Manchester UnitedMAN | → | Wigan AthleticWGA | Loan |
| 02 Sept 13 | Bebé | Manchester UnitedMAN | → |  Paços de FerreiraPFC | Loan |
| 29 Aug 13 | Á. Henríquez Ángelo Henríquez | Manchester UnitedMAN | → |  Real ZaragozaZAR | Loan |
| 21 Aug 13 | S. Wootton Scott Wootton | Manchester UnitedMAN | → |  Leeds UnitedLEE | Undisclosed |
| 21 Aug 13 | S. Wootton Scott Wootton | Manchester UnitedMAN | → | Leeds UnitedLEE | Undisclosed |
| 17 Aug 13 | S. Johnstone Sam Johnstone | Manchester UnitedMAN | → |  Yeovil TownYEO | Loan |
| 17 Aug 13 | S. Johnstone Sam Johnstone | Manchester UnitedMAN | → | Yeovil TownYEO | Loan |
| 26 Jul 13 | R. Tunnicliffe Ryan Tunnicliffe | Manchester UnitedMAN | → |  Ipswich TownIPS | Loan |
| 26 Jul 13 | R. Tunnicliffe Ryan Tunnicliffe | Manchester UnitedMAN | → | Ipswich TownIPS | Loan |
| 25 Jul 13 | L. McCullough Luke McCullough | Manchester UnitedMAN | → | Doncaster RoversDON | Loan |
| 25 Jul 13 | L. McCullough Luke McCullough | Manchester UnitedMAN | → | Doncaster RoversDON | Loan |
| 15 Jul 13 | Reece James | Manchester UnitedMAN | → | Carlisle UnitedCAR | Loan |
| 01 Jul 13 | Michele Fornasier | Manchester UnitedMAN | → |  SampdoriaSAM | Free |
| 01 Jul 13 | S. McGinty Sean McGinty | Manchester UnitedMAN | → |  Sheffield UnitedSHU | Free |
| 01 Jul 13 | Michele Fornasier | Manchester UnitedMAN | → | SampdoriaSAM | Free |
| 01 Jul 13 | G. Varela Guillermo Varela |  PeñarolPEN | → | Manchester UnitedMAN | Undisclosed |
| 28 Mar 13 | S. McGinty Sean McGinty | Manchester UnitedMAN | → |  Tranmere RoversTRN | Loan |
| 20 Mar 13 | S. Johnstone Sam Johnstone | Manchester UnitedMAN | → |  WalsallWAL | Loan |
| 25 Feb 13 | R. Brown Reece Brown | Manchester UnitedMAN | → | Ipswich TownIPS | Loan |
| 25 Feb 13 | R. Brown Reece Brown | Manchester UnitedMAN | → | Ipswich TownIPS | Loan |
| 21 Feb 13 | R. Tunnicliffe Ryan Tunnicliffe | Manchester UnitedMAN | → |  BarnsleyBAR | Loan |
| 21 Feb 13 | R. Tunnicliffe Ryan Tunnicliffe | Manchester UnitedMAN | → | BarnsleyBAR | Loan |
| 08 Feb 13 | J. Cofie John Cofie | Manchester UnitedMAN | → |  Notts CountyNOTT | Loan |
| 25 Jan 13 | W. Zaha Wilfried Zaha |  Crystal PalaceCRY | → | Manchester UnitedMAN | Undisclosed |
| 25 Jan 13 | W. Zaha Wilfried Zaha | Manchester UnitedMAN | → | Crystal PalaceCRY | Loan |
| 25 Jan 13 | W. Zaha Wilfried Zaha | Manchester UnitedMAN | → | Crystal PalaceCRY | Loan |
| 25 Jan 13 | Luke McCullough | Manchester UnitedMAN | → |  Cheltenham TownCHL | Loan |
| 25 Jan 13 | W. Zaha Wilfried Zaha | Crystal PalaceCRY | → | Manchester UnitedMAN | Undisclosed |
| 24 Jan 13 | F. Macheda Federico Macheda | Manchester UnitedMAN | → |  VfB StuttgartVFB | Loan |
| 24 Jan 13 | F. Macheda Federico Macheda | Manchester UnitedMAN | → | VfB StuttgartVFB | Loan |
| 09 Jan 13 | D. Petrucci Davide Petrucci | Manchester UnitedMAN | → |  Peterborough UnitedPET | Loan |
| 09 Jan 13 | S. Wootton Scott Wootton | Manchester UnitedMAN | → | Peterborough UnitedPET | Loan |
| 09 Jan 13 | D. Petrucci Davide Petrucci | Manchester UnitedMAN | → | Peterborough UnitedPET | Loan |
| 09 Jan 13 | S. Wootton Scott Wootton | Manchester UnitedMAN | → | Peterborough UnitedPET | Loan |
| 08 Jan 13 | R. Brady Robbie Brady | Manchester UnitedMAN | → |  Hull CityHUL | Undisclosed |
| 08 Jan 13 | R. Brady Robbie Brady | Manchester UnitedMAN | → | Hull CityHUL | Undisclosed |
| 02 Jan 13 | Á. Henríquez Ángelo Henríquez | Manchester UnitedMAN | → | Wigan AthleticWGA | Loan |
| 02 Jan 13 | J. King Joshua King | Manchester UnitedMAN | → |  Blackburn RoversBLK | Undisclosed |
| 02 Jan 13 | J. King Joshua King | Manchester UnitedMAN | → | Blackburn RoversBLK | Undisclosed |
| 01 Jan 13 | Bebé | Manchester UnitedMAN | → |  Rio AveRIO | Loan |