| Link | Location | |
|---|---|---|
 | Chandrasekar J | Chennai, India |
| Piotr Jabłonowski | Kraków, Poland |
| Mohamed Jabrane | Paris, France |
| Emma Jackson | Live online from Sydney, Australia |
| Joia Jackson | London, United Kingdom |
 | Jessi Jacobs | Lake Point, Utah, United States |
| Joep Jacobs | Den Haag, Netherlands |
| Rene Jacobsen | Vejle, Denmark |
| Jerome Jacquet | Freiburg, Germany |
| Monika Jacyna | Wrocław, Poland |
 | Subhash Babu Jagadam | Chennai, India |
| Michał Jagielski | Warszawa, Poland |
 | Bogusława Jagła | Kraków, Poland |
| Robert Jagoda | Katowice, Poland |
| Juliusz Jagodziński | Warsaw, Poland |
