| Kasama Castle 笠間城 | |
|---|---|
| Kasama, Ibaraki Prefecture, Japan | |
 Reconstructed Hachimandai Yagura of Kasama Castle | |
  Kasama Castle 笠間城  Kasama Castle 笠間城 | |
| Coordinates | 36°22′56.95″N 140°16′2.93″E / 36.3824861°N 140.2674806°E |
| Type | mountain-style Japanese castle |
| Site information | |
| Open to the public | yes |
| Site history | |
| Built | 1219 |
| Built by | Kasama Tomonari |
| In use | Edo period |
| Demolished | 1868 |
Kasama Castle (笠間城, Kasama-jō) is a Japanese castle located in Kasama, central Ibaraki Prefecture, Japan. At the end of the Edo period, Kasama Castle was home to a junior branch of Makino clan, daimyō of Kasama Domain, but castle and domain went through many changes in clans during the early Edo period.