| Link | Location | |
|---|---|---|
 | Tomasz Jastrzębski | Wrocław, Poland |
| Bilal Javed | Toronto, Canada |
| Luis Jose Javier Tatis | Santo Domingo, Dominican Republic |
| Mahesh Jawanjal | Utrecht, Netherlands |
 | Syed Jawed | Hyderabad, India |
| Krzysztof Jaworski | Warszawa, Poland |
| Aaron Jay-Chelliah | Oxford, United Kingdom |
| Ravi Jayanthi | Bangalore, India |
| Sathyanarayanan Jayaraman | Plainsboro, New Jersey, United States |
| Natalia Jażdżewska | Wrocław, Poland |
| Jenthicha Jeamsuwan | Bangkok, Thailand |
| Adam Jednoróg | Poznań, Poland |
| Jakub Jędruszczak | Warszawa, Poland |
| Chloe Jee | Singapore, Singapore |
| Sergejs Jefimovs | Riga, Latvia |
