| 16 Oct 20 | M. Haygarth Maxwell Haygarth |  Manchester UnitedMAN | → |  BrentfordBRE | Loan |
| 16 Oct 20 | M. Haygarth Maxwell Haygarth | Manchester UnitedMAN | → | BrentfordBRE | Loan |
| 16 Oct 20 | D. Bernard Di'Shon Bernard | Manchester UnitedMAN | → |  Salford CitySAL | Loan |
| 05 Oct 20 | F. Pellistri Facundo Pellistri |  PeñarolPEN | → | Manchester UnitedMAN | Undisclosed |
| 05 Oct 20 | E. Cavani Edinson Cavani | XXX | → | Manchester UnitedMAN | Free |
| 05 Oct 20 | C. Smalling Chris Smalling | Manchester UnitedMAN | → |  AS RomaROMA | Undisclosed |
| 05 Oct 20 | C. Smalling Chris Smalling | Manchester UnitedMAN | → | AS RomaROMA | Undisclosed |
| 05 Oct 20 | A. Telles Alex Telles |  FC PortoPOR | → | Manchester UnitedMAN | Undisclosed |
| 04 Oct 20 | D. Dalot Diogo Dalot | Manchester UnitedMAN | → |  AC MilanMIL | Loan |
| 04 Oct 20 | D. Dalot Diogo Dalot | Manchester UnitedMAN | → | AC MilanMIL | Loan |
| 02 Oct 20 | A. Pereira Andrea Pereira | Manchester UnitedMAN | → |  LazioLAZ | Loan |
| 02 Oct 20 | A. Pereira Andrea Pereira | Manchester UnitedMAN | → | LazioLAZ | Loan |
| 18 Sept 20 | J. Garner James Garner | Manchester UnitedMAN | → |  WatfordWAT | Loan |
| 18 Sept 20 | J. Garner James Garner | Manchester UnitedMAN | → | WatfordWAT | Loan |
| 08 Sept 20 | D. Levitt Dylan Levitt | Manchester UnitedMAN | → |  Charlton AthleticCHA | Loan |
| 02 Sept 20 | D. van de Beek Donny van de Beek |  Ajax AmsterdamAJA | → | Manchester UnitedMAN | Undisclosed |
| 02 Sept 20 | D. van de Beek Donny van de Beek | Ajax AmsterdamAJA | → | Manchester UnitedMAN | Undisclosed |
| 29 Aug 20 | J. Pereira Joel Pereira | Manchester UnitedMAN | → |  Huddersfield TownHUD | Loan |
| 29 Aug 20 | J. Pereira Joel Pereira | Manchester UnitedMAN | → | Huddersfield TownHUD | Loan |
| 28 Aug 20 | M. Kovar Matej Kovar | Manchester UnitedMAN | → |  Swindon TownSWI | Loan |
| 16 Aug 20 | T. Chong Tahith Chong | Manchester UnitedMAN | → |  Werder BremenWER | Loan |
| 16 Aug 20 | T. Chong Tahith Chong | Manchester UnitedMAN | → | Werder BremenWER | Loan |
| 13 Aug 20 | E. Hamilton Ethan Hamilton | Manchester UnitedMAN | → |  Peterborough UnitedPET | Free |
| 09 Aug 20 | A. Gomes Angel Gomes | Manchester UnitedMAN | → |  LilleLILL | Free |
| 09 Aug 20 | A. Gomes Angel Gomes | Manchester UnitedMAN | → | LilleLILL | Free |
| 06 Aug 20 | A. Sánchez Alexis Sánchez | Manchester UnitedMAN | → |  InternazionaleINT | Free |
| 06 Aug 20 | A. Sánchez Alexis Sánchez | Manchester UnitedMAN | → | InternazionaleINT | Free |
| 02 Aug 20 | C. Borthwick-Jackson Cameron Borthwick-Jackson | Manchester UnitedMAN | → |  Oldham AthleticOLD | Free |
| 31 Jan 20 | N. Bishop Nathan Bishop |  Southend UnitedSOUT | → | Manchester UnitedMAN | Undisclosed |
| 31 Jan 20 | O. Ighalo Odion Ighalo |  Shanghai ShenhuaSHE | → | Manchester UnitedMAN | Loan |
| 30 Jan 20 | M. Rojo Marcos Rojo | Manchester UnitedMAN | → |  Estudiantes de La PlataEST | Loan |
| 30 Jan 20 | B. Fernandes Bruno Fernandes |  Sporting CPSCP | → | Manchester UnitedMAN | Undisclosed |
| 30 Jan 20 | M. Rojo Marcos Rojo | Manchester UnitedMAN | → | Estudiantes de La PlataEST | Loan |
| 24 Jan 20 | G. Tanner George Tanner | Manchester UnitedMAN | → | Salford CitySAL | Loan |
| 24 Jan 20 | C. Borthwick-Jackson Cameron Borthwick-Jackson | Manchester UnitedMAN | → | Oldham AthleticOLD | Loan |
| 17 Jan 20 | A. Young Ashley Young | Manchester UnitedMAN | → | InternazionaleINT | Undisclosed |
| 17 Jan 20 | A. Young Ashley Young | Manchester UnitedMAN | → | InternazionaleINT | Undisclosed |
| 06 Jan 20 | E. Hamilton Ethan Hamilton | Manchester UnitedMAN | → |  Bolton WanderersBOL | Loan |