- Yamada
- Yamagata
- Yamaguchi
- Yamazakichō-nakabirose
- Yamoto
- Yanagawamachi-saiwaichō
- Yanai
- Yao
- Yashio
- Yashiro
- Yasu
- Yasugichō
- Yatsuomachi-higashikumisaka
- Yawata
- Yawatahama
- Yoichi
- Yōkaichiba
- Yokohama
- Yokote
- Yonakuni
- Yonedacho Sendo
- Yono
- Yorii
- Yoshida
- Yoshida-kasugachō
- Yoshii
- Yoshikawa
- Yoshino-chō
- Yoshitomi
- Yotsueda
- Yotsukaidō
- Youkaichi
- Yudomari
- Yugawara
- Yuza
