| Kloster Allerheiligen | |
|---|---|
 Entrance of Münster Schaffhausen | |
  Location within Switzerland | |
| General information | |
| Architectural style | Former Benedictine abbey, Museum, |
| Classification | Historic monument |
| Town or city | Schaffhausen |
| Country | Switzerland |
| Coordinates | 47°41′42″N 8°38′12″E / 47.694897°N 8.63675°E |
| Construction started | 1049 |
| Completed | 1064 |
Kloster Allerheiligen (All Saints abbey) is a former Benedictine monastery in the Swiss municipality of Schaffhausen in the Canton of Schaffhausen. The church Münster Allerheiligen is the oldest building in Schaffhausen, and houses also the Museum zu Allerheiligen.