Mnichówko was formerly part of the German Empire. In the German Empire, the place was called Klein Mönsdorf.
The place is now called Mnichówko and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Klein Mönsdorf | German Empire | Rößel | 1939 |
| Mnichówko | Under Polish administration | Reszel | 1945 |
| Mnichówko | Poland | Olsztyn | 1992 |