N
- (Esashi Gun) Nitachinai
- (Nemuro-shi) Nishiwada
- (Tomamae Gun) Nishiura
- (Rebun Gun) Nishiuedomari
- (Teshio Gun) Nishiubushi
- (Kasai-gun) Nishi-totsuta
- (Furano-shi) Nishitappu
- (Notsuke-gun) Nishishunbetsu
- (Rishiri Gun) Nishindomari
- (Obihiro Shi) Nishinijō
- (Tomakomai Shi) Nishikioka
- (Kushiro Shi) Nishikichō
- (Asahikawa-shi) Nishi-kagura
- (Nakagawa-gun) Nishi-ihira
- (Urukawa-gun) Nishicha
- (Notsuke-gun) Nishibetsu
- (Abuta-gun) Nisekoan
- (Yūfutsu-gun) Niniu
- (Abashiri-gun) Nijūsangō
- (Esashi Gun) Nijūrokusen
- (Nakagawa Gun) Nijūgosen
- (Monbetsu Gun) Nijissen
- (Kamikawa-gun (Tokachi)) Niinai
- (Ishikari-gun) Nibangawa
- (Rumoi Gun) Neiraku
- (Futami-gun) Natsuji
- (Hokuto-shi) Nanaehama
- (Yūbari-shi) Nambu
- (Abashiri Shi) Nakazono
- (Monbetsu Gun) Nakayūbetsu