Küster
Küster may refer to:
- Ernst Georg Ferdinand Küster (1839–1930), German surgeon
- Ernst Küster (1874-1953), German botanist
- Heinrich Carl Küster (1807-1876), malacologist from Germany
- Ludolph Küster (1670-1716), editor of ancient Greek texts
- Stefanie Küster (1979–), German model and dancer