| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Jacobs Well | city | State of Western Australia | Australia | -32.0333333 | 117.2 | 984 | 75 |
| Jacup | city | State of Western Australia | Australia | -33.8166667 | 119.2666667 | 958 | 28 |
| Jaloran | city | State of Western Australia | Australia | -33.15 | 117.4333333 | 1056 | 115 |
| Jardee | city | State of Western Australia | Australia | -34.2833333 | 116.1166667 | 547 | 182 |
| Jarrahdale | city | State of Western Australia | Australia | -32.35 | 116.0666667 | 777 | 1355 |
| Jarrahwood | city | State of Western Australia | Australia | -33.8 | 115.6666667 | 282 | 730 |
| Jaurdi | city | State of Western Australia | Australia | -30.8166667 | 120.1666667 | 1601 | 28 |
| Jennaberring | city | State of Western Australia | Australia | -31.9 | 117.4833333 | 974 | 75 |
| Jennacubbine | city | State of Western Australia | Australia | -31.45 | 116.7333333 | 682 | 77 |
| Jennapullin | city | State of Western Australia | Australia | -31.5333333 | 116.7 | 780 | 238 |
| Jilakin | city | State of Western Australia | Australia | -32.6666667 | 118.3333333 | 997 | 19 |
| Jimble Bar Mining Centre | city | State of Western Australia | Australia | -23.4666667 | 120.1833333 | 1902 | 4 |
| Jimblebar | city | State of Western Australia | Australia | -23.4666667 | 120.1833333 | 1902 | 4 |
| Jingalup | city | State of Western Australia | Australia | -33.9666667 | 117.0333333 | 997 | 98 |
| Jingymia | city | State of Western Australia | Australia | -30.4666667 | 117.4166667 | 1161 | 28 |
| Jitarning | city | State of Western Australia | Australia | -32.8 | 117.9833333 | 1141 | 19 |
| Juendine | city | State of Western Australia | Australia | -31.5833333 | 116.75 | 905 | 293 |
| Jura | city | State of Western Australia | Australia | -31.8166667 | 118.1833333 | 997 | 56 |
| Juradine | city | State of Western Australia | Australia | -31.5833333 | 116.75 | 905 | 293 |
| Jurien | city | State of Western Australia | Australia | -30.3041667 | 115.0375 | 59 | 15 |