| 2023-01-28 14:30:0028 January 2023 |   Cork Constitution RFC v Ballynahinch RFC | 14:30:002:30 pm | AIL Division 1A | Temple Hill | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   Garryowen RFC v Lansdowne RFC | 14:30:002:30 pm | AIL Division 1A | Dooradoyle | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   Terenure College RFC v Clontarf RFC | 14:30:002:30 pm | AIL Division 1A | Lakelands Park | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   University College Dublin Rugby v Shannon | 14:30:002:30 pm | AIL Division 1A | UCD Bowl | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   Young Munster v Dublin University FC | 14:30:002:30 pm | AIL Division 1A | Tom Clifford Park | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   St. Mary’s College RFC v Buccaneers | 14:30:002:30 pm | AIL Division 1B | Energia Park | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   Malone v Highfield | 14:30:002:30 pm | AIL Division 1B | Gibson Park | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   Banbridge v Naas | 14:30:002:30 pm | AIL Division 1B | Rifle Park | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   City of Armagh v Old Belvedere | 14:30:002:30 pm | AIL Division 1B | Palace Grounds | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   University College Cork Rugby v Old Wesley | 14:30:002:30 pm | AIL Division 1B | The Mardyke | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   UL Bohemian v Blackrock College RFC | 14:30:002:30 pm | AIL Division 2A | UL Arena | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   Ballymena v Dolphin | 14:30:002:30 pm | AIL Division 2A | Eaton Park | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   MU Barnhall v Navan | 14:30:002:30 pm | AIL Division 2A | Parsonstown | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   Cashel v Old Crescent | 14:30:002:30 pm | AIL Division 2A | Spafield | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   Nenagh Ormond v Queen's University | 14:30:002:30 pm | AIL Division 2A | New Ormond Park | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   Dungannon v Belfast Harlequins | 14:30:002:30 pm | AIL Division 2B | Stevenson Park | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   Enniscorthy v Sligo | 14:30:002:30 pm | AIL Division 2B | Alcast Park | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   Galway Corinthians v Malahide | 14:30:002:30 pm | AIL Division 2B | Corinthian Park | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   Greystones v Galwegians | 14:30:002:30 pm | AIL Division 2B | Dr. Hickey Park | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   Wanderers v Rainey Old Boys | 14:30:002:30 pm | AIL Division 2B | Merrion Road | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   Midleton v Ballina | 14:30:002:30 pm | AIL Division 2C | Towns Park | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   Omagh Academicals v Bangor | 14:30:002:30 pm | AIL Division 2C | Thomas Mellon Playing Fields | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   Sunday’s Well v Bruff | 14:30:002:30 pm | AIL Division 2C | Musgrave Park | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   Clonmel v Instonians | 14:30:002:30 pm | AIL Division 2C | Ard Gaoithe | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   Tullamore v Skerries | 14:30:002:30 pm | AIL Division 2C | Spollanstown | Round 12 |
| 2023-01-28 14:30:0028 January 2023 |   Benetton v Munster | 14:30:002:30 pm | United Rugby Championship | Stadio Comunale Monigo | Round 13 |
| 2023-01-28 15:00:0028 January 2023 |   Dragons v Glasgow Warriors | 15:00:003:00 pm | United Rugby Championship | Rodney Parade | Round 13 |
| 2023-01-28 17:00:0028 January 2023 |   Cooke v Ballincollig | 17:00:005:00 pm | Energia Cup Series | Shaw's Bridge | - |
| 2023-01-28 17:00:0028 January 2023 | Galwegians v UL Bohemian | 17:00:005:00 pm | Energia Cup Series | Crowley Park | - |
| 2023-01-28 17:00:0028 January 2023 |   Railway Union RFC v Wicklow RFC | 17:00:005:00 pm | Energia Cup Series | Willow Lodge | - |
| 2023-01-28 17:00:0028 January 2023 |  Suttonians v Blackrock College RFC | 17:00:005:00 pm | Energia Cup Series | JJ McDowell Memorial Grounds | - |
| 2023-01-28 17:05:0028 January 2023 |   Leinster v Cardiff Rugby | 17:05:005:05 pm | United Rugby Championship | Royal Dublin Society | Round 13 |
| 2023-01-28 17:15:0028 January 2023 |   Edinburgh v Cell C Sharks | 17:15:005:15 pm | United Rugby Championship | Murrayfield Stadium | Round 13 |
| 2023-01-28 19:35:0028 January 2023 |   Connacht v Emirates Lions | 19:35:007:35 pm | United Rugby Championship | The Sportsgrounds | Round 13 |
