| John Costard |
|
As a helmsman in 1993 in the UK National Championship on 8368 |
| John Curtis |
|
As a helmsman in 1999 in the Nepean One Design on 0 |
| John Davidson |
|
As a helmsman in 2003 in the Australian National Championships on 8638 |
| John Davies |
|
As a crew in 2014 in the UK National Championship on 8887 |
| John Dean |
|
As a helmsman in 1998 in the Pacific Northwest Regionals on 0 |
| John Dohan |
|
As a crew in 2013 in the Midwinter Championship on 0 |
| John Donnelly |
|
As a helmsman in 2002 in the Travis Perkins International National Championship on 8568 |
| John Downey |
|
As a helmsman in 2022 in the Irish National Championship on 9011 |
| John Driscoll |
|
As a crew in 2010 in the UK National Championship on 8460 |
| John Dunlea |
|
As a crew in 2025 in the East Coast Championship on 8987 |
| John E. Kobylanski |
|
As a helmsman in 1986 in the UK National Championship on 7701 |