| 8. Journée | 07.04.2023 | Wexford FC | - | Galway United | 0:4 | ||||
| 10. Journée | 21.04.2023 | Kerry FC | - | Galway United | 1:4 | ||||
| 15. Journée | 19.05.2023 | Treaty United | - | Galway United | 0:3 | ||||
| 16. Journée | 26.05.2023 | Galway United | - | Athlone Town | 3:1 | ||||
| 18. Journée | 05.06.2023 | Galway United | - | Finn Harps | 6:0 | ||||
| 19. Journée | 09.06.2023 | Wexford FC | - | Galway United | 0:2 |  |
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| 24. Journée | 28.07.2023 | Galway United | - | Bray Wanderers | 3:0 | ||||
| 25. Journée | 04.08.2023 | Finn Harps | - | Galway United | 2:2 | ||||
| 27. Journée | 11.08.2023 | Waterford FC | - | Galway United | 2:2 | |
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| 28. Journée | 25.08.2023 | Galway United | - | Cobh Ramblers | 4:1 | ||||
| 29. Journée | 02.09.2023 | Longford Town | - | Galway United | 1:0 | ||||
| 31. Journée | 25.09.2023 | Galway United | - | Finn Harps | 1:0 | ||||
| 34. Journée | 10.10.2023 | Galway United | - | Waterford FC | 3:1 | |
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| 35. Journée | 14.10.2023 | Treaty United | - | Galway United | 1:4 | ||||
| 36. Journée | 20.10.2023 | Galway United | - | Wexford FC | 2:0 |
Irlande