| 13. Journée | 05.05.2023 | Galway United | - | Waterford FC | 2:1 | ||||
| 16. Journée | 26.05.2023 | Galway United | - | Athlone Town | 3:1 | ||||
| 17. Journée | 02.06.2023 | Bray Wanderers | - | Galway United | 1:1 | ||||
| 18. Journée | 05.06.2023 | Galway United | - | Finn Harps | 6:0 | ||||
| 19. Journée | 09.06.2023 | Wexford FC | - | Galway United | 0:2 | ||||
| 20. Journée | 23.06.2023 | Galway United | - | Longford Town | 4:0 | ||||
| 21. Journée | 30.06.2023 | Galway United | - | Kerry FC | 1:0 | ||||
| 23. Journée | 14.07.2023 | Athlone Town | - | Galway United | 0:1 | ||||
| 24. Journée | 28.07.2023 | Galway United | - | Bray Wanderers | 3:0 | ||||
| 25. Journée | 04.08.2023 | Finn Harps | - | Galway United | 2:2 | ||||
| 26. Journée | 07.08.2023 | Galway United | - | Treaty United | 3:0 | ||||
| 27. Journée | 11.08.2023 | Waterford FC | - | Galway United | 2:2 | ||||
| 28. Journée | 25.08.2023 | Galway United | - | Cobh Ramblers | 4:1 |  |
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| 29. Journée | 02.09.2023 | Longford Town | - | Galway United | 1:0 | ||||
| 31. Journée | 25.09.2023 | Galway United | - | Finn Harps | 1:0 | |
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| 33. Journée | 29.09.2023 | Galway United | - | Athlone Town | 6:0 |
Irlande