| 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 Wickford Regatta on 8987 |
| John E. Kobylanski |
|
As a helmsman in 1986 in the UK National Championship on 7701 |
| John Fracisco |
|
As a crew in 2000 in the Hi-Per/Spring Dinghy Regatta on 6992 |
| John Fry |
|
As a crew in 2004 in the Pre-Worlds & North American Championship on 8681 |
| John Gilmour |
|
As a crew in 1992 in the World Championship on 7874 |
| John Goodchild |
|
As a crew in 2021 in the Sail Freo on 8973 |
| John Gorman |
|
As a crew in 2008 in the Wittensee Fight on 8542 |
| John Gray |
|
As a helmsman in 2009 in the World Championship on 8266 |
| John Greenlees |
|
As a helmsman in 1988 in the World Championship on 7983 |
| John Greenless |
|
As a helmsman in 1983 in the World Championship on 7513 |
| John Groves |
|
As a helmsman in 1997 in the Zimbabwe National Championship on 7627 |
| John Hands |
|
As a helmsman in 2002 in the World Championship on 8274 |