- Jacka Petr
- Jackson Paul
- Jacquemin Dominique
- Jacquemin Dominique
- Jadhav Sachin
- Jagfeld Christoph
- Jaguszewski Milosz
- Jaguszewski Milosz J
- Jain Ajay
- Jain Geetika
- Jain Prasham
- Jakobs Karl
- Jakoubek Tomas
- Jamieson Jonathan
- Jang Wonho
- Januszewicz Andrzej
- Januszewicz Andrzej
- Jarvis Maria
- Javurkova Martina
- Jawahar Pratik
- Jay Desmond
- Jeanty Laura
- Jejelava Juansher
- Jenkins J. Stephen
- Jenkins Stephen
- Jenni Peter
- Jessiman Callan
- Jia Chen
- Jia Jiangyong
- Jiang Cheng
- Jia Xuewei
- Jia Zihang
- Jiggins Stephen
- Jimenez Pena Javier
- Jinaru Adam
- Jinnouchi Osamu
- Jin Shan
- Jodelais Franck
- Johansson Per Daniel Conny
- Johns Kenneth
- Johnson Jacob Wayne
- Jolly Fiona Ann