| Republic of Ireland FAI Intermediate Cup | 2018/09/13 18:45 | St Francis FC v Portlaoise AFC | L | 4-0 |
| Republic of Ireland Leinster Senior League | 2018/09/05 18:30 | Portlaoise AFC v Skerries Town FC | L | 2-3 |
| Republic of Ireland Leinster Senior League | 2017/12/06 19:47 | Portlaoise AFC v Arklow Town | W | 3-2 |
| Republic of Ireland Leinster Senior League | 2017/12/01 19:47 | Portlaoise AFC v Inchicore Athletic FC | W | 2-0 |
| Republic of Ireland Leinster Senior League | 2017/11/15 19:52 | St John Bosco v Portlaoise AFC | D | 2-2 |
| Republic of Ireland Leinster Senior League | 2017/11/10 19:48 | Sacred Heart Firhouse Clover v Portlaoise AFC | L | 3-1 |
| Republic of Ireland Leinster Senior Cup | 2017/11/03 19:34 | Portlaoise AFC v Newbridge Town FC | L | 2-3 |
| Republic of Ireland Leinster Senior League | 2017/10/22 13:59 | Templeogue United FC v Portlaoise AFC | W | 2-4 |
| Republic of Ireland Leinster Senior League | 2018/08/23 17:45 | Kilnamanagh AFC v Templeogue United FC | D | 1-1 |
| Europe Friendlies | 2018/07/24 17:45 | Bluebell United v Kilnamanagh AFC | L | 2-0 |
| Republic of Ireland Leinster Senior League | 2018/02/01 19:51 | UCD AFC v Kilnamanagh AFC | D | 2-2 |
| Republic of Ireland Leinster Senior Cup | 2017/10/03 19:00 | Crumlin United v Kilnamanagh AFC | L | 5-1 |
| Republic of Ireland Leinster Senior Cup | 2017/09/28 19:00 | Crumlin United v Kilnamanagh AFC | D | 0-0 |