| Name | Boats | Last known start |
|---|---|---|
| J. B. Eales | ||
| J. B. Leroy | ||
| J. Boulderson | ||
| J. Bremmell | ||
| J. Bunny | ||
| J. Burdett | ||
| J. C. Bowles | ||
| J. C. Bréard | As a crew in 1979 in the Semaine Internationale de la Voile de La Rochelle on 4390 | |
| J. C. Collaert | ||
| J. C. Eggett | ||
| J. Cettier | ||
| J. Champeau | ||
| J. D. Gilder | As a helmsman in 1978 in the World Championship on 6211 | |
| J. D. Pettit | ||
| J. Ellis | As a crew in 1999 in the Easter Regatta Gosford on 8637 | |
| J. G. Altman | ||
| J. Grose | ||
| J. Guéguen | As a crew in 1984 in the World Championship on 7454 | |
| J. I. Hamilton | ||
| J. J. Juaneda | As a helmsman in 1973 in the Championnat de France on 4621 |