| 2. Journée | 24.02.2023 | Galway United | - | Treaty United | 1:0 | ||||
| 4. Journée | 10.03.2023 | Galway United | - | Kerry FC | 9:1 | ||||
| 5. Journée | 17.03.2023 | Cobh Ramblers | - | Galway United | 0:2 | ||||
| 6. Journée | 24.03.2023 | Galway United | - | Longford Town | 1:0 |  |
|||
| 7. Journée | 31.03.2023 | Athlone Town | - | Galway United | 1:3 | ||||
| 8. Journée | 07.04.2023 | Wexford FC | - | Galway United | 0:4 | |
|||
| 10. Journée | 21.04.2023 | Kerry FC | - | Galway United | 1:4 | ||||
| 12. Journée | 01.05.2023 | Longford Town | - | Galway United | 1:0 | ||||
| 14. Journée | 12.05.2023 | Galway United | - | Wexford FC | 2:0 | ||||
| 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 | ||||
| 20. Journée | 23.06.2023 | Galway United | - | Longford Town | 4:0 | ||||
| 29. Journée | 02.09.2023 | Longford Town | - | Galway United | 1:0 | ||||
| 30. Journée | 08.09.2023 | Bray Wanderers | - | Galway United | 1:4 | ||||
| 32. Journée | 22.09.2023 | Kerry FC | - | Galway United | 0:4 | ||||
| 33. Journée | 29.09.2023 | Galway United | - | Athlone Town | 6:0 | |
 |
Irlande