| What Belongs to Darkness | |
| Director: | Martin Hartwig |
| Studio: | Deutsche Mutoskop und Biograph |
| Country: | Germany |
What Belongs to Darkness (de|'''Die Finsternis und ihr Eigentum''') is a 1922 German silent drama film directed by Martin Hartwig and starring Karl Etlinger, Erra Bognar, and Fritz Kortner.
The film's sets were designed by the art director Alfred Columbus.