Rybníček was formerly part of the German Empire. In the German Empire, the place was called Ribnik.
The place is now called Rybníček and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ribnik | Austro-Hungary | Littau | before the Treaty of Saint-Germain |
| Rybníček | Austro-Hungary | Littau | before the Treaty of Saint-Germain |
| Rybníček | Czechoslovakia | Šternberk | after the Treaty of Saint-Germain |
| Ribnik | Czechoslovakia | Šternberk | after the Treaty of Saint-Germain |
| Ribnik | German Empire | Sternberg | 1938 |
| Rybníček | Czechoslovakia | Šternberk | 1945 |
| Rybníček | Czechoslovakia | Olomouc | 1992 |
| Rybníček | Czech Republic | Olomouc | 1993 |