Letkov was formerly part of the German Empire. In the German Empire, the place was called Letkov.
The place is now called Letkov and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Letkow | Austro-Hungary | Pilsen | before the Treaty of Saint-Germain |
| Letkov | Austro-Hungary | Pilsen | before the Treaty of Saint-Germain |
| Letkov | Czechoslovakia | Plzeň | after the Treaty of Saint-Germain |
| Letkau | German Empire | Pilsen | 1939 |
| Letkov | German Empire | Pilsen | 1939 |
| Letkov | Czechoslovakia | Plzeň | 1945 |
| Letkov | Czechoslovakia | Plzeň-jih | 1992 |
| Letkov | Czech Republic | Plzeň-jih | 1993 |