J24 National Champions
| Sail Num | Boat | Owner/Helm | Year |
| IRL7272 | Maurice Johnson & Partners | Stefan Hyde | 2018 |
| IRL5278 | Jamais Encore | JP McCaldin | 2017 |
| IRL—- | Irelands Eye Kilcullen | HYC Keelboat Squad | 2016 |
| IRL—- | Kilcullen Euro Carparks | HYC Keelboat Squad | 2015 |
| IRL4794 | Hard on Port | Flor O’Driscoll | 2014 |
| IRL—- | Kilcullen Euro Carparks | HYC Keelboat Squad | 2013 |
| IRL5278 | Jamais Encore | JP McCaldin | 2012 |
| IRL4794 | Hard On Port | Flor O’Driscoll | 2011 |
| IRL4794 | Hard On Port, | Flor O’Driscoll | 2010 |
| IRL—- | Murder Picture | Micky McCaldin | 2009 |
| IRL—- | Taz | Michael Ennis | 2008 |
| IRL—- | Carrabeg | Stefan Hyde | 2007 |
| IRL—- | Taz | David Taylor | 2006 |
| IRL—- | Scandal | Andrew Algeo | 2005 |
| IRL—- | Scandal | Andrew Algeo | 2004 |
| IRL4188 | Virjin on the Ridiculous | Diarmuid O’Donovan | 2003 |
| IRL—- | Taz | Maurice O’Connell | 2002 |
| IRL—- | Jay Kay | Tim Sheard | 2001 |
| IRL—- | Joe Blob | Mickey McCaldin | 2000 |
| IRL—- | Cries of Passion | Bryan Maguire | 1999 |
| IRL—- | K-Jay | K-Jay | 1998 |
J24 Results by Year
