| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Yalbarrin | city | State of Western Australia | Australia | -31.95 | 118.1166667 | 997 | 56 |
| Yalgoo | city | State of Western Australia | Australia | -28.3333333 | 116.6833333 | 1345 | 0 |
| Yallingup | city | State of Western Australia | Australia | -33.65 | 115.0333333 | 82 | 869 |
| Yallingup | city | State of Western Australia | Australia | -33.7 | 115.1 | 6 | 1426 |
| Yallingup Caves | city | State of Western Australia | Australia | -33.65 | 115.0333333 | 82 | 869 |
| Yanchep | city | State of Western Australia | Australia | -31.55 | 115.6833333 | 121 | 7352 |
| Yancher | city | State of Western Australia | Australia | -31.55 | 115.6833333 | 121 | 7352 |
| Yandacoogina Mining Centre | city | State of Western Australia | Australia | -21.4166667 | 120.1666667 | 1000 | 0 |
| Yandanooka | city | State of Western Australia | Australia | -29.3166667 | 115.55 | 715 | 42 |
| Yandicoogina | city | State of Western Australia | Australia | -21.4166667 | 120.1666667 | 1000 | 0 |
| Yandicoogina Mining Centre | city | State of Western Australia | Australia | -21.4166667 | 120.1666667 | 1000 | 0 |
| Yanmah | city | State of Western Australia | Australia | -34.1833333 | 116.0166667 | 643 | 187 |
| Yarloop | city | State of Western Australia | Australia | -32.9666667 | 115.9 | 1089 | 986 |
| Yarri | city | State of Western Australia | Australia | -29.7833333 | 122.35 | 1456 | 0 |
| Yealering | city | State of Western Australia | Australia | -32.6 | 117.6166667 | 994 | 63 |
| Yelbeni | city | State of Western Australia | Australia | -31.1833333 | 117.6666667 | 1053 | 33 |
| Yellowdine | city | State of Western Australia | Australia | -31.3 | 119.65 | 1414 | 14 |
| Yelverton | city | State of Western Australia | Australia | -33.75 | 115.1 | 3 | 1345 |
| Yerangatup | city | State of Western Australia | Australia | -33.8166667 | 122.3833333 | 239 | 33 |
| Yerbillon | city | State of Western Australia | Australia | -31.3833333 | 118.75 | 1410 | 14 |
| Yericoin | city | State of Western Australia | Australia | -30.9333333 | 116.3833333 | 853 | 47 |
| Yetna | city | State of Western Australia | Australia | -28.6166667 | 114.7 | 265 | 32 |
| Yilliminning | city | State of Western Australia | Australia | -32.9 | 117.3666667 | 1122 | 70 |
| Yoongarilup | city | State of Western Australia | Australia | -33.7166667 | 115.4333333 | 55 | 1443 |
| York | city | State of Western Australia | Australia | -31.9 | 116.7666667 | 695 | 168 |
| Yorkrakine | city | State of Western Australia | Australia | -31.3833333 | 117.5833333 | 997 | 58 |
| Yornaning | city | State of Western Australia | Australia | -32.7333333 | 117.15 | 1000 | 75 |
| Yornup | city | State of Western Australia | Australia | -34.05 | 116.1666667 | 908 | 364 |
| Yoting | city | State of Western Australia | Australia | -31.9666667 | 117.6166667 | 997 | 75 |
| Youanmi | city | State of Western Australia | Australia | -28.6166667 | 118.8166667 | 1696 | 0 |
| Youndegin | city | State of Western Australia | Australia | -31.8 | 117.3166667 | 997 | 87 |
| Young's Siding | city | State of Western Australia | Australia | -35.0166667 | 117.5166667 | 91 | 336 |
| Youngs | city | State of Western Australia | Australia | -35.0166667 | 117.5166667 | 91 | 336 |
| Youngʼs Siding | city | State of Western Australia | Australia | -35.0166667 | 117.5166667 | 91 | 336 |
| Youraling | city | State of Western Australia | Australia | -32.3 | 116.9833333 | 872 | 75 |
| Yoweragabbie | city | State of Western Australia | Australia | -28.2166667 | 117.65 | 1400 | 5 |
| Yuna | city | State of Western Australia | Australia | -28.3333333 | 115 | 787 | 28 |
| Yundamindera | city | State of Western Australia | Australia | -29.1166667 | 122.0333333 | 1443 | 14 |
| Yunndaga | city | State of Western Australia | Australia | -29.75 | 121.05 | 1620 | 0 |