| 22 Nov 12 | J. King Joshua King |  Manchester UnitedMAN | → |  Blackburn RoversBLK | Loan |
| 22 Nov 12 | J. King Joshua King | Manchester UnitedMAN | → | Blackburn RoversBLK | Loan |
| 06 Nov 12 | M. Keane Michael Keane | Manchester UnitedMAN | → |  Leicester CityLEI | Loan |
| 06 Nov 12 | R. Brady Robbie Brady | Manchester UnitedMAN | → |  Hull CityHUL | Loan |
| 06 Nov 12 | S. McGinty Sean McGinty | Manchester UnitedMAN | → |  Carlisle UnitedCAR | Loan |
| 06 Nov 12 | J. Lingard Jesse Lingard | Manchester UnitedMAN | → | Leicester CityLEI | Loan |
| 06 Nov 12 | R. Brady Robbie Brady | Manchester UnitedMAN | → | Hull CityHUL | Loan |
| 06 Nov 12 | M. Keane Michael Keane | Manchester UnitedMAN | → | Leicester CityLEI | Loan |
| 06 Nov 12 | J. Lingard Jesse Lingard | Manchester UnitedMAN | → | Leicester CityLEI | Loan |
| 31 Aug 12 | D. Berbatov Dimitar Berbatov | Manchester UnitedMAN | → |  FulhamFUL | Undisclosed |
| 31 Aug 12 | Á. Henríquez Ángelo Henríquez |  Universidad de ChileU. de Chile | → | Manchester UnitedMAN | Undisclosed |
| 23 Aug 12 | E. Fryers Ezekiel Fryers | Manchester UnitedMAN | → |  Standard LiegeSTL | Free |
| 21 Aug 12 | A. Büttner Alexander Büttner |  VitesseVIT | → | Manchester UnitedMAN | Undisclosed |
| 21 Aug 12 | A. Büttner Alexander Büttner | VitesseVIT | → | Manchester UnitedMAN | Undisclosed |
| 17 Aug 12 | R. van Persie Robin van Persie |  ArsenalARS | → | Manchester UnitedMAN | Undisclosed |
| 03 Aug 12 | P. Pogba Paul Pogba | Manchester UnitedMAN | → |  JuventusJUV | Free |
| 03 Aug 12 | P. Pogba Paul Pogba | Manchester UnitedMAN | → | JuventusJUV | Free |
| 31 Jul 12 | B. Amos Ben Amos | Manchester UnitedMAN | → | Hull CityHUL | Loan |
| 31 Jul 12 | B. Amos Ben Amos | Manchester UnitedMAN | → | Hull CityHUL | Loan |
| 20 Jul 12 | R. Brown Reece Brown | Manchester UnitedMAN | → |  Coventry CityCOV | Loan |
| 13 Jul 12 | J. Cofie John Cofie | Manchester UnitedMAN | → |  Sheffield UnitedSHU | Loan |
| 09 Jul 12 | J. Park Ji-Su Park | Manchester UnitedMAN | → |  Queens Park RangersQPR | Undisclosed |
| 05 Jul 12 | Sean Goss |  Exeter CityEXE | → | Manchester UnitedMAN | 100000 |
| 02 Jul 12 | Fabio | Manchester UnitedMAN | → | Queens Park RangersQPR | Loan |
| 01 Jul 12 | S. Kagawa Shinji Kagawa |  Borussia DortmundDOR | → | Manchester UnitedMAN | Undisclosed |
| 01 Jul 12 | T. Kuszczak Tomasz Kuszczak | Manchester UnitedMAN | → |  Brighton & Hove AlbionBHA | Free |
| 01 Jul 12 | N. Powell Nick Powell |  Crewe AlexandraCREW | → | Manchester UnitedMAN | Undisclosed |
| 01 Jul 12 | T. Kuszczak Tomasz Kuszczak | Manchester UnitedMAN | → | Brighton & Hove AlbionBHA | Free |
| 01 Jul 12 | O. Norwood Oliver Norwood | Manchester UnitedMAN | → |  Huddersfield TownHUD | Undisclosed |
| 01 Jul 12 | O. Norwood Oliver Norwood | Manchester UnitedMAN | → | Huddersfield TownHUD | Undisclosed |
| 01 Jul 12 | S. Kagawa Shinji Kagawa | Borussia DortmundDOR | → | Manchester UnitedMAN | Undisclosed |
| 15 May 12 | R. de Laet Ritchie de Laet | Manchester UnitedMAN | → | Leicester CityLEI | Undisclosed |
| 15 May 12 | R. de Laet Ritchie de Laet | Manchester UnitedMAN | → | Leicester CityLEI | Undisclosed |
| 15 May 12 | M. James Matty James | Manchester UnitedMAN | → | Leicester CityLEI | Undisclosed |
| 15 May 12 | M. James Matty James | Manchester UnitedMAN | → | Leicester CityLEI | Undisclosed |
| 02 Mar 12 | R. Brown Reece Brown | Manchester UnitedMAN | → |  Oldham AthleticOLD | Loan |
| 27 Feb 12 | Sean McGinty | Manchester UnitedMAN | → |  MorecambeMOR | Loan |
| 21 Feb 12 | T. Kuszczak Tomasz Kuszczak | Manchester UnitedMAN | → |  WatfordWAT | Loan |
| 21 Feb 12 | T. Kuszczak Tomasz Kuszczak | Manchester UnitedMAN | → | WatfordWAT | Loan |
| 31 Jan 12 | S. Wootton Scott Wootton | Manchester UnitedMAN | → |  Nottingham ForestFOR | Loan |
| 31 Jan 12 | S. Wootton Scott Wootton | Manchester UnitedMAN | → | Nottingham ForestFOR | Loan |
| 31 Jan 12 | R. Morrison Ravel Morrison | Manchester UnitedMAN | → |  West Ham UnitedWHU | Undisclosed |
| 31 Jan 12 | O. Norwood Oliver Norwood | Manchester UnitedMAN | → | Coventry CityCOV | Loan |
| 31 Jan 12 | F. Veseli Frederic Veseli |  Manchester CityMNC | → | Manchester UnitedMAN | Undisclosed |
| 31 Jan 12 | O. Norwood Oliver Norwood | Manchester UnitedMAN | → | Coventry CityCOV | Loan |
| 31 Jan 12 | R. Morrison Ravel Morrison | Manchester UnitedMAN | → | West Ham UnitedWHU | Undisclosed |
| 28 Jan 12 | M. Diouf Mame Biram Diouf | Manchester UnitedMAN | → |  Hannover 96HAN | Undisclosed |
| 28 Jan 12 | M. Diouf Mame Biram Diouf | Manchester UnitedMAN | → | Hannover 96HAN | Undisclosed |
| 20 Jan 12 | D. Drinkwater Danny Drinkwater | Manchester UnitedMAN | → | Leicester CityLEI | Undisclosed |
| 20 Jan 12 | D. Drinkwater Danny Drinkwater | Manchester UnitedMAN | → | Leicester CityLEI | Undisclosed |
| 16 Jan 12 | J. King Joshua King | Manchester UnitedMAN | → | Hull CityHUL | Loan |
| 16 Jan 12 | J. King Joshua King | Manchester UnitedMAN | → | Hull CityHUL | Loan |
| 13 Jan 12 | D. Gibson Darron Gibson | Manchester UnitedMAN | → |  EvertonEVE | Undisclosed |
| 13 Jan 12 | John Cofie | Manchester UnitedMAN | → | RAXRoyal AntwerpRoyal Antwerp | Loan |
| 06 Jan 12 | P. Scholes Paul Scholes | XXX | → | Manchester UnitedMAN | Free |
| 02 Jan 12 | F. Macheda Federico Macheda | Manchester UnitedMAN | → | Queens Park RangersQPR | Loan |