| 31 Aug 21 | X. Silva Xande Silva |  West Ham UnitedWHU | → |  Nottingham ForestFOR | Undisclosed |
| 31 Aug 21 | X. Silva Xande Silva | West Ham UnitedWHU | → | Nottingham ForestFOR | Undisclosed |
| 22 Aug 21 | J. Garner James Garner |  Manchester UnitedMAN | → | Nottingham ForestFOR | Loan |
| 22 Aug 21 | J. Garner James Garner | Manchester UnitedMAN | → | Nottingham ForestFOR | Loan |
| 10 Aug 21 | J. Osei-Tutu Jordi Osei-Tutu |  ArsenalARS | → | Nottingham ForestFOR | Loan |
| 10 Aug 21 | J. Osei-Tutu Jordi Osei-Tutu | ArsenalARS | → | Nottingham ForestFOR | Loan |
| 07 Aug 21 | P. Zinckernagel Philip Zinckernagel |  WatfordWAT | → | Nottingham ForestFOR | Loan |
| 07 Aug 21 | P. Zinckernagel Philip Zinckernagel | WatfordWAT | → | Nottingham ForestFOR | Loan |
| 01 Feb 21 | G. Murray Glenn Murray |  Brighton & Hove AlbionBHA | → | Nottingham ForestFOR | Undisclosed |
| 01 Feb 21 | G. Murray Glenn Murray | Brighton & Hove AlbionBHA | → | Nottingham ForestFOR | Undisclosed |
| 30 Jan 21 | J. Garner James Garner | Manchester UnitedMAN | → | Nottingham ForestFOR | Loan |
| 30 Jan 21 | J. Garner James Garner | Manchester UnitedMAN | → | Nottingham ForestFOR | Loan |