Papouasie-Nouvelle Guinée
Îles commençant par y
- Yabob Island
- Yabwaia Island
- Yagal Islet
- Yakimoan Island
- Yame Island
- Yamiga Island
- Yaona Island
- Yapere Island
- Yaruman Island
- Yecola Island
- Yeharnu Island
- Yeina Island
- Yomba Island
- Yovo Island
- Yule Island
- Yuluiai Island
- Yuo Island