| Joakim Westerlund |
|
As a crew in 2002 in the Vaasa on 7699 |
| Joan Ingram |
|
As a helmsman in 1983 in the UK National Championship on 7216 |
| Joanna Jakubowska |
|
As a crew in 2014 in the Puchar Zbąszynia on 8422 |
| Jobst von Werder |
|
As a helmsman in 1998 in the Eck-Days on -580 |
| Joby Overton |
|
As a crew in 2025 in the Spring Dinghy on 9153 |
| Jochen Gosch |
|
As a helmsman in 2002 in the Pfingstregatta on 8654 |
| Jochen Heydolph |
|
As a crew in 2026 in the Internationale Deutsche Meisterschaft on 8579 |
| Jockel Oetken |
|
As a helmsman in 1998 in the Trapezregatta on 8651 |
| Joe Requa |
|
As a crew in 2009 in the World Championship on 8245 |
| Joe Stoodley |
|
As a crew in 1998 in the Gim Hobelman on 0 |
| Joel Castle |
|
As a crew in 2020 in the Australian National Championships on 9210 |
| Joel Jelf |
|
As a crew in 2026 in the Saltsjöbadsregattan on 8807 |