| 04 Nov 10 | D. Healy David Healy |  SunderlandSUN | → |  Doncaster RoversDON | Loan |
| 04 Nov 10 | D. Healy David Healy | SunderlandSUN | → | Doncaster RoversDON | Loan |
| 29 Oct 10 | A. Reid Andy Reid | SunderlandSUN | → |  Sheffield UnitedSHU | Loan |
| 29 Oct 10 | A. Reid Andy Reid | SunderlandSUN | → | Sheffield UnitedSHU | Loan |
| 15 Oct 10 | J. Colback Jack Colback | SunderlandSUN | → |  Ipswich TownIPS | Loan |
| 15 Oct 10 | J. Colback Jack Colback | SunderlandSUN | → | Ipswich TownIPS | Loan |
| 27 Sept 10 | R. Noble Ryan Noble | SunderlandSUN | → |  Derby CountyDER | Loan |
| 27 Sept 10 | R. Noble Ryan Noble | SunderlandSUN | → | Derby CountyDER | Loan |
| 23 Sept 10 | G. McCartney George McCartney | SunderlandSUN | → |  Leeds UnitedLEE | Loan |
| 23 Sept 10 | G. McCartney George McCartney | SunderlandSUN | → | Leeds UnitedLEE | Loan |
| 31 Aug 10 | M. Waghorn Martyn Waghorn | SunderlandSUN | → |  Leicester CityLEI | 3000000 |
| 31 Aug 10 | M. Waghorn Martyn Waghorn | SunderlandSUN | → | Leicester CityLEI | 3000000 |
| 19 Aug 10 | M. Kilgallon Matthew Kilgallon | SunderlandSUN | → |  MiddlesbroughMID | Loan |
| 19 Aug 10 | M. Kilgallon Matthew Kilgallon | SunderlandSUN | → | MiddlesbroughMID | Loan |
| 05 Aug 10 | M. Fulop Marton Fulop | SunderlandSUN | → | Ipswich TownIPS | Undisclosed |
| 05 Aug 10 | M. Fulop Marton Fulop | SunderlandSUN | → | Ipswich TownIPS | Undisclosed |
| 21 Jul 10 | N. Nosworthy Nyron Nosworthy | SunderlandSUN | → | Sheffield UnitedSHU | Loan |
| 21 Jul 10 | N. Nosworthy Nyron Nosworthy | SunderlandSUN | → | Sheffield UnitedSHU | Loan |
| 16 Jul 10 | C. Hourihane Conor Hourihane | SunderlandSUN | → | Ipswich TownIPS | Undisclosed |
| 16 Jul 10 | C. Hourihane Conor Hourihane | SunderlandSUN | → | Ipswich TownIPS | Undisclosed |
| 01 Jul 10 | R. O'Donovan Roy O'Donovan | SunderlandSUN | → |  Coventry CityCOV | Free |
| 01 Jul 10 | R. O'Donovan Roy O'Donovan | SunderlandSUN | → | Coventry CityCOV | Free |
| 25 Mar 10 | R. Noble Ryan Noble | SunderlandSUN | → |  WatfordWAT | Loan |
| 25 Mar 10 | R. Noble Ryan Noble | SunderlandSUN | → | WatfordWAT | Loan |
| 01 Feb 10 | N. Nosworthy Nyron Nosworthy | SunderlandSUN | → | Sheffield UnitedSHU | Loan |
| 01 Feb 10 | D. Healy David Healy | SunderlandSUN | → | Ipswich TownIPS | Loan |
| 01 Feb 10 | D. Healy David Healy | SunderlandSUN | → | Ipswich TownIPS | Loan |
| 01 Feb 10 | D. Murphy Daryl Murphy | SunderlandSUN | → | Ipswich TownIPS | Loan |
| 01 Feb 10 | N. Nosworthy Nyron Nosworthy | SunderlandSUN | → | Sheffield UnitedSHU | Loan |
| 01 Feb 10 | D. Murphy Daryl Murphy | SunderlandSUN | → | Ipswich TownIPS | Loan |
| 21 Jan 10 | M. Kilgallon Matthew Kilgallon | Sheffield UnitedSHU | → | SunderlandSUN | Undisclosed |
| 21 Jan 10 | M. Kilgallon Matthew Kilgallon | Sheffield UnitedSHU | → | SunderlandSUN | Undisclosed |
| 15 Jan 10 | R. Anderson Russell Anderson | SunderlandSUN | → | Derby CountyDER | Free |
| 15 Jan 10 | R. Anderson Russell Anderson | SunderlandSUN | → | Derby CountyDER | Free |