| 1. Journée | 20.03.2021 | Sligo Rovers | - | Dundalk FC | 1:1 | ||||
| 2. Journée | 26.03.2021 | Dundalk FC | - | Finn Harps | 1:2 | ||||
| 3. Journée | 02.04.2021 | Shamrock Rovers | - | Dundalk FC | 2:1 |  |
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| 4. Journée | 09.04.2021 | Dundalk FC | - | Bohemian FC | 0:1 | ||||
| 5. Journée | 17.04.2021 | Dundalk FC | - | St Patrick's Athletic | 1:1 | |
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| 6. Journée | 20.04.2021 | Derry City | - | Dundalk FC | 1:1 | |
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| 7. Journée | 24.04.2021 | Dundalk FC | - | Drogheda United | 2:1 | ||||
| 8. Journée | 30.04.2021 | Waterford FC | - | Dundalk FC | 0:3 |  |
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| 9. Journée | 03.05.2021 | Longford Town | - | Dundalk FC | 2:2 | |
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| 10. Journée | 07.05.2021 | Dundalk FC | - | Sligo Rovers | 0:1 | |
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| 12. Journée | 21.05.2021 | Dundalk FC | - | Shamrock Rovers | 2:1 | ||||
| 13. Journée | 24.05.2021 | Bohemian FC | - | Dundalk FC | 5:1 | |
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| 14. Journée | 28.05.2021 | St Patrick's Athletic | - | Dundalk FC | 0:2 | ||||
| 16. Journée | 18.06.2021 | Dundalk FC | - | Longford Town | 1:1 | |
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| 17. Journée | 21.06.2021 | Drogheda United | - | Dundalk FC | 0:1 | |
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| 18. Journée | 25.06.2021 | Dundalk FC | - | Derry City | 2:1 | |
Irlande