| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Jandrain | city | Province de )) (( Brabant | Belgium | 50.6833333 | 4.9833333 | 334 | 13045 |
| Jandrain-Jandrenouille | city | Province de )) (( Brabant | Belgium | 50.6833333 | 4.9833333 | 334 | 13045 |
| Jandrenouille | city | Province de )) (( Brabant | Belgium | 50.65 | 4.9833333 | 459 | 11336 |
| Jauche | city | Province de )) (( Brabant | Belgium | 50.6833333 | 4.95 | 337 | 12046 |
| Jauche la Marne | city | Province de )) (( Brabant | Belgium | 50.6833333 | 4.9833333 | 334 | 13045 |
| Jauchelette | city | Province de )) (( Brabant | Belgium | 50.6833333 | 4.85 | 374 | 11379 |
| Jausselette | city | Province de )) (( Brabant | Belgium | 50.6166667 | 4.8333333 | 524 | 12637 |
| Jemeree | city | Province de )) (( Brabant | Belgium | 50.55 | 4.4666667 | 492 | 17791 |
| Jemerée | city | Province de )) (( Brabant | Belgium | 50.55 | 4.4666667 | 492 | 17791 |
| Jerusalem | city | Province de )) (( Brabant | Belgium | 50.6 | 4.3666667 | 492 | 35875 |
| Jesus-Eik | city | Province de )) (( Brabant | Belgium | 50.8 | 4.4666667 | 374 | 148937 |
| Jette | city | Province de )) (( Brabant | Belgium | 50.8666667 | 4.3333333 | 59 | 454563 |
| Jeune Pioul | city | Province de )) (( Brabant | Belgium | 50.6 | 4.4333333 | 387 | 19172 |
| Jezus-Eik | city | Province de )) (( Brabant | Belgium | 50.8 | 4.4666667 | 374 | 148937 |
| Jodigne-Souveraine | city | Province de )) (( Brabant | Belgium | 50.7 | 4.85 | 367 | 11379 |
| Jodoigne | city | Province de )) (( Brabant | Belgium | 50.7166667 | 4.8666667 | 301 | 13226 |
| Jodoigne-Souveraine | city | Province de )) (( Brabant | Belgium | 50.7 | 4.85 | 367 | 11379 |
| Joli Bois | city | Province de )) (( Brabant | Belgium | 50.7 | 4.4 | 390 | 64565 |
| Jérusalem | city | Province de )) (( Brabant | Belgium | 50.6 | 4.3666667 | 492 | 35875 |