| Link | Location |
|---|
 | Josie Iuliano | Melbourne, Australia |
 | Sheremet Iuliia | Antaliya, Türkiye |
| Fedor Ivanov | Moscow (online), Russian Federation |
| Dan Iven | Columbus, Ohio, United States |
| Dominik Jabłoński | Warsaw, Poland |
| Robyn James | Brisbane, Australia |
| Oswald Jan | St. Gallen, Switzerland |
| Shelby Jansen | Madison, Wisconsin, United States |
| Shelly Janssen | Waverly, Iowa, United States |
 | Lukasz Jarochowski | Warsaw, Poland |
 | Ted Jaskot | Mint Hill, North Carolina, United States |
| Jacek Jaworski | Warsaw, Poland |
 | Michal Jedlička | Prague, Czechia |
| Jan Jelinek | Prague, Czechia |
| Antaryami Jena | Johannisburg, South Africa |
