Greifenstein is a municipality in Germany.
It may also refer to the following castles: Burg Greifenstein in Austria Château de Greifenstein in Saverne, France Greifenstein Castle in Filisur, Switzerland Greifenstein Castle (Hesse) in Greifenstein, Germany Schloss Greifenstein in Heiligenstadt in Oberfranken, Germany , a ruin near Bolzano, Italy