| Johan Janssen |
Nederweert, Netherlands |
| Peter Janssens |
Gent, Belgium |
| Martin Jarcik |
London, United Kingdom |
| Andrew Jarding |
Arlington, Virginia, United States |
| Hubert Jarosz |
Wroclaw, Poland |
| Joel Järvela |
Tallinn, Estonia |
| Mika Jarvi |
Oulu, Finland |
| Jan Jasek |
Brno, Czech Republic |
| Alexander Jasper |
Berlin, Germany |
| Hanno Jaspers |
Munich, Germany |
| Wojciech Jastrzebski |
Wroclaw, Poland |
| Pool Javon |
Auburn Hills, Michigan, United States |
| Rajat Jayanth Shetty |
Bangalore, India |
| Hima Jayanti |
Edinburgh, United Kingdom |
| Ajay Jayaram |
San Francisco, California, United States |
