| Noshima Castle | |
|---|---|
能島城 | |
| Imabari, Ehime, Ehime Prefecture, Japan | |
 Noshima Castle | |
  Noshima Castle  Noshima Castle | |
| Coordinates | 34°10′58″N 133°4′51″E / 34.18278°N 133.08083°E |
| Type | Japanese castle |
| Height | 北緯34度10分58秒 東経133度4分51秒 |
| Site information | |
| Owner | Noshima Murakami clan |
| Condition | ruins |
| Site history | |
| Built | 14C? |
| Built by | Murakami Yoshihiro |
| Demolished | 1588 |
| Garrison information | |
| Past commanders | Murakami Takeyoshi |
Noshima Castle (能島城, Noshima-jō) was a Sengoku period Japanese castle in Ehime Prefecture, Japan, located on an island in the Seto Inland Sea. It was the stronghold of the Noshima Murakami, a maritime clan of sailors and sometimes pirates or mercenaries. The ruins of Noshima Castle were designated as a National Historic Sitein 1953.[1][2]