Home History
| Republic of Ireland Leinster Senior League | 2021/09/12 10:00 | Kilnamanagh AFC v Wayside Celtic | D | 3-3 |
| Republic of Ireland Leinster Senior League | 2021/09/09 18:45 | Glebe North FC v Kilnamanagh AFC | W | 0-2 |
| Republic of Ireland Leinster Senior League | 2021/09/05 10:00 | Kilnamanagh AFC v Sacred Heart Firhouse Clover | L | 1-4 |
| Republic of Ireland FAI Cup | 2021/08/27 18:45 | Waterford FC v Kilnamanagh AFC | L | 4-1 |
| Republic of Ireland Leinster Senior League | 2021/08/20 17:45 | Bluebell United v Kilnamanagh AFC | W | 0-1 |
| Republic of Ireland Leinster Senior League | 2021/08/13 18:45 | Malahide Utd v Kilnamanagh AFC | L | 3-1 |
| Republic of Ireland Leinster Senior League | 2021/07/28 18:30 | Crumlin United v Kilnamanagh AFC | L | 4-0 |
| Republic of Ireland FAI Cup | 2021/07/23 19:00 | St Kevins Boys v Kilnamanagh AFC | W | 1-4 |
Away History
| Republic of Ireland Leinster Senior League | 2021/09/17 18:45 | Liffey Wanderers v Bluebell United | W | 2-1 |
| Republic of Ireland Leinster Senior League | 2021/09/05 11:00 | Wayside Celtic v Liffey Wanderers | W | 0-1 |
| Republic of Ireland Leinster Senior League | 2021/09/04 12:00 | Liffey Wanderers v Maynooth University Town FC | L | 1-3 |
| Republic of Ireland Leinster Senior League | 2021/08/27 18:45 | Liffey Wanderers v Home Farm FC | D | 1-1 |
| Republic of Ireland Leinster Senior League | 2021/08/26 19:00 | Swords Celtic FC v Liffey Wanderers | L | 1-0 |
| Republic of Ireland Leinster Senior League | 2021/08/20 18:30 | Cherry Orchard v Liffey Wanderers | W | 0-1 |
| Republic of Ireland Leinster Senior League | 2021/08/14 14:00 | Crumlin United v Liffey Wanderers | L | 2-1 |
| Republic of Ireland Leinster Senior League | 2021/08/13 18:45 | Liffey Wanderers v Sacred Heart Firhouse Clover | W | 2-1 |