Y
- (Nakaōnuma-gun) Yokone
- (Tsubame Shi) Yonōzu
- (Shibata Shi) Yonekura
- (Niigata Shi) Yokogoshi-chūō
- (Sado Shi) Yokkamachi
- (Nagaoka Shi) Yoitamachi-yoita
- (Jōetsu Shi) Yasuzuka
- (Agano Shi) Yasuda
- (Murakami Shi) Yanagyūdo
- (Shibata Shi) Yamauchi
- (Niigata Shi) Yamanoshitamachi
- (Murakami Shi) Yamakumata
- (Nishikanbara-gun) Yahiko
- (Nagaoka Shi) Yamakoshi-tanesuhara
- (Nagaoka Shi) Yamakoshi-mushigame
- (Itoigawa Shi) Yamanobō
- (Itoigawa Shi) Yamadera
- (Minamiōnuma-gun) Yuzawa
- (Tsubame Shi) Yoshida-kasugachō
- Yoshida