| Schloss Uster | |
|---|---|
 the landmark of the city of Uster | |
  Location within Canton of Zürich  Uster Castle (Switzerland) | |
| General information | |
| Architectural style | hill castle |
| Classification | Historic monument |
| Town or city | Uster |
| Country | Switzerland |
| Coordinates | 47°20′44″N 8°43′04″E / 47.345493°N 8.717891°E |
| Construction started | ~ 1200 |
Uster Castle (Swiss German: Schloss Uster also referred to Burg Uster) is a hill castle which was built probably around 1200 AD by the House of Rapperswil in the Swiss municipality of Uster in the Canton of Zürich. Since 1995 it houses a boarding school.