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- Hachigata Castle, Yorii, Saitama
- Hachinohe Castle, Hachinohe, Aomori
- Hachiōji Castle, Hachiōji, Tokyo
- Hadano Castle, Hadano, Kanagawa
- Hagi Castle, Hagi, Yamaguchi
- Hakumai Castle, Matsuzaka, Mie
- Hamamatsu Castle, Hamamatsu, Shizuoka
- Hara Castle, Minamishimabara, Nagasaki
- Hataya Castle, Yamanobe, Yamagata
- Hayashi Castle, Matsumoto, Nagano
- Hiji Castle (ruins), Hiji, Ōita
- Hikone Castle, Hikone, Shiga
- Himeji Castle, Himeji, Hyōgo, World Heritage Site
- Hinoe Castle, Minamishimabara, Nagasaki
- Hirado Castle, Hirado, Nagasaki
- Hirosaki Castle, Hirosaki, Aomori
- Hiroshima Castle, Hiroshima, Hiroshima
- Hoshizaki Castle, Nagoya, Aichi
Read more about this topic: List Of Castles In Japan