| 27. Round | 14/01/2023 | Swindon Town | - | Grimsby Town | 5:0 | ||||
| 30. Round | 04/02/2023 | Crewe Alexandra | - | Grimsby Town | 0:3 | ||||
| 31. Round | 11/02/2023 | Grimsby Town | - | Colchester United | 0:1 | ||||
| 33. Round | 18/02/2023 | Northampton Town | - | Grimsby Town | 1:2 | ||||
| 28. Round | 21/02/2023 | Grimsby Town | - | Harrogate Town | 0:0 | ||||
| 35. Round | 04/03/2023 | Carlisle United | - | Grimsby Town | 2:0 |  |
|||
| 22. Round | 22/03/2023 | Mansfield Town | - | Grimsby Town | 0:0 | ||||
| 26. Round | 28/03/2023 | Crawley Town | - | Grimsby Town | 1:1 | ||||
| 43. Round | 18/04/2023 | Grimsby Town | - | Barrow AFC | 1:0 | ||||
| 8. Round | 25/04/2023 | Grimsby Town | - | Crewe Alexandra | 2:0 | ||||
| 46. Round | 08/05/2023 | Grimsby Town | - | AFC Wimbledon | 1:0 |
England