Following the holding of the Junior Cup Final on Saturday, all Cup and T20 competitions for 2012 have now been completed. The results for 2012 are as follows:
| Competition | Winners | Team | Runners Up | Team | Type | Level |
| Senior Cup | Clontarf | 1st XI | Pembroke | 1st XI | C | 1 |
| Senior II Cup | Balbriggan | 1st XI | The Hills | 2nd XI | C | 2 |
| Middle Cup | YMCA | 3rd XI | Railway Union | 3rd XI | C | 3 |
| Middle II Cup | Dundrum | 2nd XI | Clontarf | 4th XI | C | 4 |
| Intermediate Cup | Leinster | 6th XI | Pembroke | 5th XI | C | 5 |
| Minor Cup | Adamstown | 1st XI | AIB Taverners | 1st XI | C | 6 |
| Junior Cup | Merrion | 7th XI | Railway Union | 4th XI | C | 7 |
| AM Senior 20/20 Cup | YMCA | 1st XI | Rush | 1st XI | T20 | 1 |
| Tilain 20/20 Cup | Merrion | 2nd XI | Old Belvedere | 1st XI | T20 | 2 |
| YMCA 20/20 Salver | Dundrum | 1st XI | Clontarf | 3rd XI | T20 | 3 |
| Whelan 20/20 Cup | Malahide | 4th XI | Leinster | 5th XI | T20 | 4 |
| Russell Court T20 Cup | Railway Union | 4th XI | Ring Commons | 1st XI | T20 | 5 |
Following last year's dominance of the Cup Competitins by Merrion this year sees the spoils much more evenly distributed with no club winning more than one cup competitions or one T20 competition. It was also worth noting that four of the seven cups were won by club's first teams.