Australie
Îles commençant par y
- Y Island
- Yabooma Island
- Yahoo Island
- Yallawa Island
- Yam Island
- Yambaraba Island
- Yammadery Island
- Yankawingarri Island
- Yankee Rock
- Yargai Island
- Yargara Island
- Yargas Island
- Yarranya Island
- Yathulwa Islets
- Yawajaba Island
- Yee To Wappah Island
- Yellow Rock
- Yellow Rock Island
- Yellow Rock Islet
- Yerumbinna Island
- Yilikukunyiyanga Islet
- Yilirrirndumanja Island
- Yingilirrba Island
- Yirrinyindi Island
- Yiundalla Island
- York Island
- Yorke Island
- Yoruna
- Young Island
- Yunderup Island
- Yungera Island
- Yungum Island