I
- (Toyama Shi) Inotani
- (Nanto Shi) Itodanishin
- (Nanto Shi) Ikeda
- (Tonami Shi) Ichinotani
- (Himi Shi) Isobe
- (Himi Shi) Ikadani
- (Kurobe Shi) Ikejiri
- (Kurobe Shi) Ikuji
- (Nanto Shi) Inami
- (Nakaniikawa Gun) Iwakuraji
- (Nakaniikawa Gun) Iori
- (Toyama Shi) Ioridani
- (Toyama Shi) Irifunemachi
- (Kurobe Shi) Ishida
- (Toyama Shi) Ishigane
- (Oyabe Shi) Isurugi
- (Himi Shi) Iwagase