| Name | Sailor ID | Most Recent Declaration |
|---|---|---|
| Louis Johnson | GBRLJ14 | 82.0kg - Amateur |
| Louis Johnson | GBRLJ17 | |
| Will Johnson | GBRWJ11 | 82.0kg - Amateur |
| Martin Jones | GBRMJ45 | 84.0kg - Amateur |
| Verena Jongepier | NEDVJ1 | 67.0kg - Amateur |
| Kate Jordan | NZLKJ5 | 75.0kg - Amateur |
| Nick Joyce | GBRNJ17 | 90.0kg - Amateur |
| George Jubb | GBRGJ20 | 96.0kg - Amateur |
| Bidegaray Jules | FRABJ20 | 85.0kg - Professional |
| Colin Kavanagh | IRLCK3 | 91.0kg - Amateur |
| Tamas Kelemen | HUNTK6 | 85.0kg - Professional |
| David Kelly | IRLDK28 | 102.0kg - Amateur |
| Greg Kelly | GBRGK23 | |
| Angus Kemp | GBRAK57 | 80.0kg - Amateur |
| George Kennedy | GBRGK22 | 99.0kg - Professional |
| Harry Kennedy | GBRHK17 | 82.0kg - Amateur |
| Marshall King | IRLMK | |
| Csaba Kiraly | HUNCK1 | 110.0kg - Amateur |
| Maddy Kirk | GBRMK32 | 64.0kg - Amateur |
| Diana Kissane | IRLDK17 | 56.0kg - Amateur |
| James Kitt | GBRJK39 | |
| Jonathan Knottnerus-meyer | GERJK114 | 98.0kg - Professional |
| Adam Knox | RSAAK4 | 63.0kg - Amateur |
| Can Kocak | TURCK2 | |
| Can Kocak | TURCK17 | 83.0kg - Amateur |