| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Jacques | city | Wallonie | Belgium | 50.63 | 3.87 | 196 | 11592 |
| Jaffen | city | Wallonie | Belgium | 50.22 | 5.97 | 1669 | 4393 |
| Jalhay | city | Wallonie | Belgium | 50.56 | 5.96 | 1669 | 9478 |
| Jallet | city | Wallonie | Belgium | 50.44 | 5.18 | 830 | 3104 |
| Jamagne | city | Wallonie | Belgium | 50.45 | 5.23 | 830 | 8453 |
| Jamagne | city | Wallonie | Belgium | 50.22 | 4.53 | 898 | 6738 |
| Jambes | city | Wallonie | Belgium | 50.46 | 4.87 | 328 | 52039 |
| Jambjoul | city | Wallonie | Belgium | 50.17 | 5.12 | 830 | 1441 |
| Jamblinne | city | Wallonie | Belgium | 50.16 | 5.13 | 830 | 1543 |
| Jamiolle | city | Wallonie | Belgium | 50.21 | 4.51 | 839 | 6231 |
| Jamioulx | city | Wallonie | Belgium | 50.36 | 4.42 | 830 | 74135 |
| Jamodenne | city | Wallonie | Belgium | 50.22 | 5.29 | 918 | 9239 |
| Jamoigne | city | Wallonie | Belgium | 49.69 | 5.41 | 1145 | 586 |
| Jamoille | city | Wallonie | Belgium | 50.21 | 4.51 | 839 | 6231 |
| Jandrain | city | Wallonie | Belgium | 50.67 | 4.98 | 370 | 10175 |
| Jandrain-Jandrenouille | city | Wallonie | Belgium | 50.67 | 4.98 | 370 | 10175 |
| Jandrenouille | city | Wallonie | Belgium | 50.66 | 4.98 | 830 | 11984 |
| Jannée | city | Wallonie | Belgium | 50.28 | 5.20 | 853 | 4106 |
| Jardin | city | Wallonie | Belgium | 50.60 | 3.77 | 213 | 22195 |
| Jauche | city | Wallonie | Belgium | 50.68 | 4.96 | 364 | 10795 |
| Jauche la Marne | city | Wallonie | Belgium | 50.69 | 4.97 | 337 | 8957 |
| Jauchelette | city | Wallonie | Belgium | 50.69 | 4.85 | 403 | 9368 |
| Jausselette | city | Wallonie | Belgium | 50.62 | 4.84 | 830 | 8949 |
| Java | city | Wallonie | Belgium | 50.51 | 5.15 | 252 | 14489 |
| Javingue | city | Wallonie | Belgium | 50.09 | 4.93 | 1076 | 3605 |
| Jehanheid | city | Wallonie | Belgium | 50.37 | 5.63 | 1669 | 4858 |
| Jehanster | city | Wallonie | Belgium | 50.56 | 5.90 | 1030 | 47172 |
| Jehay | city | Wallonie | Belgium | 50.57 | 5.31 | 830 | 26924 |
| Jehay-Bodegnée | city | Wallonie | Belgium | 50.57 | 5.31 | 830 | 26924 |
| Jehonheid | city | Wallonie | Belgium | 50.37 | 5.63 | 1669 | 4858 |
| Jehonville | city | Wallonie | Belgium | 49.91 | 5.20 | 1669 | 2493 |
| Jemappes | city | Wallonie | Belgium | 50.45 | 3.89 | 98 | 78905 |
| Jembloux | city | Wallonie | Belgium | 50.56 | 4.69 | 830 | 15841 |
| Jemelle | city | Wallonie | Belgium | 50.16 | 5.25 | 830 | 10102 |
| Jemeppe | city | Wallonie | Belgium | 50.62 | 5.50 | 226 | 124341 |
| Jemeppe | city | Wallonie | Belgium | 50.47 | 4.67 | 360 | 35723 |
| Jemeppe | city | Wallonie | Belgium | 50.19 | 5.31 | 830 | 10917 |
| Jemeppe-sur-Sambre | city | Wallonie | Belgium | 50.47 | 4.67 | 360 | 35723 |
| Jemeppe-sur-Sambre (Balâtre) | city | Wallonie | Belgium | 50.50 | 4.64 | 830 | 29822 |
| Jemeppe-sur-Sambre (Ham-sur-Sambre) | city | Wallonie | Belgium | 50.44 | 4.67 | 830 | 34356 |
| Jemeppe-sur-Sambre (Mornimont) | city | Wallonie | Belgium | 50.46 | 4.70 | 370 | 28909 |
| Jemeppe-sur-Sambre (Moustier-sur-Sambre) | city | Wallonie | Belgium | 50.47 | 4.70 | 295 | 30949 |
| Jemeppe-sur-Sambre (Saint-Martin) | city | Wallonie | Belgium | 50.50 | 4.65 | 830 | 24297 |
| Jemeppe-sur-Sambre (Spy) | city | Wallonie | Belgium | 50.48 | 4.71 | 830 | 30611 |
| Jemerée | city | Wallonie | Belgium | 50.54 | 4.49 | 830 | 14835 |
| Jeneffe | city | Wallonie | Belgium | 50.66 | 5.36 | 830 | 18344 |
| Jeneffe | city | Wallonie | Belgium | 50.36 | 5.24 | 971 | 4163 |
| Jenneret | city | Wallonie | Belgium | 50.41 | 5.45 | 830 | 4268 |
| Jenneville | city | Wallonie | Belgium | 50.00 | 5.48 | 1669 | 1971 |
| Jerusalem | city | Wallonie | Belgium | 50.59 | 4.37 | 830 | 23637 |
| Jet | city | Wallonie | Belgium | 50.30 | 5.07 | 859 | 12230 |
| Jeune Pioul | city | Wallonie | Belgium | 50.60 | 4.43 | 387 | 14919 |
| Jevoumont | city | Wallonie | Belgium | 50.52 | 5.80 | 830 | 11026 |
| Jodenville | city | Wallonie | Belgium | 49.97 | 5.61 | 1692 | 2118 |
| Jodigne-Souveraine | city | Wallonie | Belgium | 50.71 | 4.84 | 328 | 9966 |
| Jodion | city | Wallonie | Belgium | 50.46 | 4.73 | 393 | 32823 |
| Jodoigne | city | Wallonie | Belgium | 50.72 | 4.87 | 262 | 9104 |
| Jodoigne (Dongelberg) | city | Wallonie | Belgium | 50.70 | 4.82 | 298 | 9541 |
| Jodoigne (Jauchelette) | city | Wallonie | Belgium | 50.69 | 4.85 | 403 | 9368 |
| Jodoigne (Jodoigne-Souveraine) | city | Wallonie | Belgium | 50.71 | 4.84 | 328 | 9966 |
| Jodoigne (Lathuy) | city | Wallonie | Belgium | 50.73 | 4.83 | 377 | 10469 |
| Jodoigne (Mélin) | city | Wallonie | Belgium | 50.74 | 4.83 | 360 | 9679 |
| Jodoigne (Piétrain) | city | Wallonie | Belgium | 50.73 | 4.91 | 295 | 14697 |
| Jodoigne (Saint-Jean-Geest) | city | Wallonie | Belgium | 50.74 | 4.90 | 328 | 16040 |
| Jodoigne-Souveraine | city | Wallonie | Belgium | 50.71 | 4.84 | 328 | 9966 |
| Joffen | city | Wallonie | Belgium | 50.22 | 5.97 | 1669 | 4393 |
| Johoster | city | Wallonie | Belgium | 50.48 | 5.78 | 1217 | 4970 |
| Joli Bois | city | Wallonie | Belgium | 50.70 | 4.40 | 390 | 65869 |
| Jolifaux | city | Wallonie | Belgium | 50.37 | 5.17 | 1023 | 3885 |
| Jolimont | city | Wallonie | Belgium | 50.47 | 4.23 | 830 | 79237 |
| Jolivaux | city | Wallonie | Belgium | 50.57 | 5.70 | 830 | 34229 |
| Jolivet | city | Wallonie | Belgium | 50.67 | 5.60 | 377 | 150258 |
| Jollain-Merlin | city | Wallonie | Belgium | 50.54 | 3.40 | 75 | 15446 |
| Jonckeu | city | Wallonie | Belgium | 50.56 | 5.87 | 1115 | 66303 |
| Joncquiere | city | Wallonie | Belgium | 50.68 | 3.28 | 62 | 61830 |
| Joncquois | city | Wallonie | Belgium | 50.73 | 3.43 | 72 | 13043 |
| Joncquois | city | Wallonie | Belgium | 50.48 | 3.76 | 131 | 28396 |
| Joncret | city | Wallonie | Belgium | 50.36 | 4.51 | 830 | 49489 |
| José | city | Wallonie | Belgium | 50.63 | 5.77 | 830 | 32852 |
| Joubiéval | city | Wallonie | Belgium | 50.26 | 5.85 | 1725 | 2337 |
| Journal | city | Wallonie | Belgium | 50.12 | 5.51 | 1669 | 2497 |
| Joustenbuchen | city | Wallonie | Belgium | 50.27 | 6.05 | 1669 | 3117 |
| Jublicehainaut | city | Wallonie | Belgium | 50.53 | 3.91 | 242 | 21674 |
| Julemont | city | Wallonie | Belgium | 50.68 | 5.77 | 830 | 20906 |
| Jumet | city | Wallonie | Belgium | 50.44 | 4.44 | 830 | 145712 |
| Jupille | city | Wallonie | Belgium | 50.65 | 5.63 | 393 | 152835 |
| Jupille | city | Wallonie | Belgium | 50.21 | 5.54 | 984 | 4655 |
| Jupille-sur-Meuse | city | Wallonie | Belgium | 50.65 | 5.63 | 393 | 152835 |
| Jupille-sur-Ourthe | city | Wallonie | Belgium | 50.21 | 5.54 | 984 | 4655 |
| Juprelle | city | Wallonie | Belgium | 50.71 | 5.53 | 830 | 56887 |
| Juprelle (Fexhe-Slins) | city | Wallonie | Belgium | 50.72 | 5.58 | 830 | 55234 |
| Juprelle (Lantin) | city | Wallonie | Belgium | 50.69 | 5.52 | 830 | 84582 |
| Juprelle (Villers-Saint-Siméon) | city | Wallonie | Belgium | 50.71 | 5.55 | 830 | 70506 |
| Juprelle (Wihogne) | city | Wallonie | Belgium | 50.73 | 5.51 | 830 | 38360 |
| Jurbeke | city | Wallonie | Belgium | 50.53 | 3.91 | 242 | 21674 |
| Jurbise | city | Wallonie | Belgium | 50.53 | 3.91 | 242 | 21674 |
| Jurion | city | Wallonie | Belgium | 50.55 | 4.07 | 344 | 22284 |
| Jusaine | city | Wallonie | Belgium | 50.24 | 4.66 | 928 | 6434 |
| Juseret | city | Wallonie | Belgium | 49.88 | 5.55 | 1669 | 5325 |
| Juslenville | city | Wallonie | Belgium | 50.55 | 5.81 | 830 | 29842 |
| Juzaine | city | Wallonie | Belgium | 50.37 | 5.53 | 830 | 4507 |
| Juzaine | city | Wallonie | Belgium | 50.24 | 4.66 | 928 | 6434 |
| Jévigne | city | Wallonie | Belgium | 50.29 | 5.77 | 1669 | 2822 |