| Name | Boats | Last known start |
|---|---|---|
| J. C. Bowles | ||
| J. C. Collaert | ||
| J. C. Eggett | ||
| J. Cettier | As a helmsman in 1958 in the World Championship on 321 | |
| J. Champeau | ||
| J. D. Pettit | ||
| J. G. Altman | ||
| J. Gilder | ||
| J. Grose | ||
| J. Guéguen | As a crew in 1984 in the Championnat de France on 0 | |
| J. I. Hamilton | ||
| J. J. Mitchell | ||
| J. Jewell | ||
| J. L. Rolland | ||
| J. M. Brumpton | ||
| J. M. Evans | ||
| J. Margary | ||
| J. Needham | As a helmsman in 1966 in the World Championship on 0 | |
| J. P. Meehan | ||
| J. Philips |