| 1. Round | 18/02/2023 | Longford Town | - | Athlone Town | 1:3 | ||||
| 4. Round | 10/03/2023 | Bray Wanderers | - | Longford Town | 0:0 | ||||
| 5. Round | 18/03/2023 | Longford Town | - | Finn Harps | 0:1 | ||||
| 9. Round | 15/04/2023 | Longford Town | - | Wexford FC | 1:2 | ||||
| 11. Round | 28/04/2023 | Finn Harps | - | Longford Town | 1:1 | ||||
| 14. Round | 13/05/2023 | Longford Town | - | Treaty United | 0:3 | ||||
| 15. Round | 19/05/2023 | Wexford FC | - | Longford Town | 0:3 | ||||
| 16. Round | 27/05/2023 | Longford Town | - | Waterford FC | 0:0 | ||||
| 17. Round | 02/06/2023 | Athlone Town | - | Longford Town | 1:0 | ||||
| 32. Round | 22/09/2023 | Longford Town | - | Waterford FC | 0:3 | ||||
| 31. Round | 25/09/2023 | Wexford FC | - | Longford Town | 2:0 | ||||
| 33. Round | 30/09/2023 | Longford Town | - | Treaty United | 2:3 |  |
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| 34. Round | 06/10/2023 | Cobh Ramblers | - | Longford Town | 2:0 | |
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| 35. Round | 14/10/2023 | Longford Town | - | Bray Wanderers | 2:2 | ||||
| 36. Round | 20/10/2023 | Athlone Town | - | Longford Town | 0:0 |
Ireland