Lawyers Brussels Bar Association (FR)
- Stéphane Jans
- Arnaud Jansen
- Helmut Janssen
- Zoé Janssen
- Frédérique Janssens
- Julie Janssens
- Sarah Janssens
- Paul-Alexandre Janssens
- Marie-Paule Janssens
- Jean-Louis Jaspar
- Martin Jaspar
- Michael Jaspers
- Laure Jasselette
- Stéphanie Jaumotte
- Nicole Jeanmart
- Pierre Jeanray
- Gilberte Jedid
- Nastassia Jelić
- Benjamin Jesuran
- Florès Jiang
