Janůvky was formerly part of the German Empire. In the German Empire, the place was called Johnsdorf.
The place is now called Janůvky and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Johnsdorf | Austro-Hungary | Mährisch-Trübau | before the Treaty of Saint-Germain |
| Janušov | Austro-Hungary | Mährisch-Trübau | before the Treaty of Saint-Germain |
| Janůvky | Austro-Hungary | Mährisch-Trübau | before the Treaty of Saint-Germain |
| Janůvky | Czechoslovakia | Moravská Třebová | after the Treaty of Saint-Germain |
| Johnsdorf | Czechoslovakia | Moravská Třebová | after the Treaty of Saint-Germain |
| Johnsdorf | German Empire | Mährisch Trübau | 1938 |
| Janůvky | Czechoslovakia | Moravská Třebová | 1945 |
| Janůvky | Czechoslovakia | Svitavy | 1992 |
| Janůvky | Czech Republic | Svitavy | 1993 |