- Yakamia
- Yalbarrin
- Yalgoo
- Yallabatharra
- Yallingup
- Yallingup
- Yallingup Siding
- Yandanooka
- Yandee Line Camp
- Yandicoogina
- Yanmah
- Yarawindah
- Yardarino
- Yarding
- Yardoogarra Community
- Yardoogarra Outstation
- Yarloop
- Yarri Battery
- Yarri Yarri Community
- Yawajaba Island
- Yeagarup
- Yealering
- Yelbeni
- Yellowdine
- Yelverton
- Yerangatup
- Yerbillon
- Yerecoin
- Yetna
- Yilliminning