Participants
| Ahmad Jadallah | Jordan |
| Carmenza Jaramillo | Colombia |
| Laeeq Jaswal | Pakistan |
| Mustapha Jazar | Lebanon |
| Georgina Jedikovska | North Macedonia, Republic of |
| Haikel Jelassi | Tunisia |
| Ioan Jelev | Romania |
| Eric Allen Jensen | |
| Eric Jensen | United Kingdom |
| Martí Jiménez-Mausbach | Spain |
| Matthias Johannsen | Germany |
| Suchit John | India |
| Willie Johnson | United States of America |
| Craig V. Johnson | South Africa |
| Renaud Jolivet | Switzerland |
| Jeny Jose | India |
| Ganesh Joshi | Nepal |
| János Józsa | Hungary |
| Sonata Juciute | Lithuania |
| Widia Juhara | Indonesia |
| Viktor Justin | Hungary |
| Ignatius Darma Juwono | Indonesia |