| 1. Round | 06/08/2011 | Northampton Town | - | Accrington Stanley | 0:0 | ||||
| 2. Round | 13/08/2011 | Aldershot Town | - | Northampton Town | 0:1 | ||||
| 3. Round | 16/08/2011 | Bristol Rovers | - | Northampton Town | 2:1 | ||||
| 4. Round | 20/08/2011 | Northampton Town | - | Cheltenham Town | 2:3 |  |
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| 5. Round | 27/08/2011 | Northampton Town | - | Morecambe FC | 0:2 | ||||
| 6. Round | 03/09/2011 | Southend United | - | Northampton Town | 2:2 | |
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| 7. Round | 10/09/2011 | Northampton Town | - | Torquay United | 0:0 | ||||
| 10. Round | 24/09/2011 | Northampton Town | - | Dagenham & Redbridge | 2:1 | |
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| 11. Round | 01/10/2011 | Barnet FC | - | Northampton Town | 1:2 | |
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| 18. Round | 19/11/2011 | Northampton Town | - | Shrewsbury Town | 2:7 | ||||
| 19. Round | 26/11/2011 | Plymouth Argyle | - | Northampton Town | 4:1 | ||||
| 20. Round | 10/12/2011 | Northampton Town | - | Crewe Alexandra | 1:1 | ||||
| 21. Round | 17/12/2011 | Oxford United | - | Northampton Town | 2:0 | ||||
| 22. Round | 26/12/2011 | Northampton Town | - | Burton Albion | 2:3 | ||||
| 23. Round | 31/12/2011 | Northampton Town | - | Swindon Town | 1:2 |
Wales