| J | Janne (Finland) | John Louis (Australia) |
| J-7 (Australia) | Jantina (Germany) (Netherlands) | John Oxley (Australia) |
| J-3792 (USA) | Japanese Midget Submarine (USA) | John Taxis (USA) |
| (J. Alvah Clark) (USA) | Jarramas (Sweden) | John W. Brown (USA) |
| J. & E. Riggin (USA) | (Jason) (Norway) | John W. Mackay (USA) |
| J. E. Eaglesham (South Africa) | Jean (USA) | (John Wanamaker) (USA) |
| J. G. Graves of Sheffield (GB) | Jean Yvan (Canada) | Jolie Brise (GB) |
| (J. L. Perry) (USA) | Jensine (Denmark) | Jonas Von Friedrichstadt (Germany) |
| J. R. More (South Africa) | Jeremiah O'Brien (USA) | Jonge Pieter (Netherlands) |
| Jacinta (GB) | (Jesse Jr.) (USA) | Joris II (Netherlands) |
| Jacob Langenberg (Netherlands) | Jesse Lumb (GB) | Joseph Conrad (USA) |
| (Jacoba) (Netherlands) | Jhelum (Falklands Islands) | Joseph H. Scammell (Australia) |
| (Jacomien) (Netherlands) | Joble (France) | (Joseph Henry) (Greece) |
| (Jacqueline) (Denmark) | Jock (GB) | Joseph P. Kennedy Jr. (USA) |
| (Jade) (Germany) | Joe Simpson (Canada) | (Joy) (Germany) |
| Jadran (Yugoslavia) | (Joensuu) (Finland) | Joy Parks (USA) |
| Jaizkibel (Spain) | Joh. Parvainen (Finland) | Juan Sebastian De Elcano (Spain) |
| James Craig (Australia) | Johanna (Germany) | Julie Burgess (Australia) |
| (Jan) (Netherlands) | Johannes (Netherlands) | (Julie Dee) (USA) |
| Jan de Sterke (Netherlands) | (John A. Lynch) (USA) | Junger Pionier (Germany) |
| Jan Van Der Heyde (Netherlands) | John B. Manning (USA) | (Juniata) (USA) |
| (Jane Dore) (USA) | (John E. Nash) (USA) | Juno (Finland) (USA) |
| Jane Gifford (New Zealand) | John H. Amos (GB) | Jupiter (USA) |
| Janet (GB) | John J. Harvey (USA) | Jylland (Denmark) |
| (Janet S.) (USA) | John King (GB) |
