Gruszka is a Polish-language surname. It means "pear" in Polish and is most common in southern Poland.
| Language | Masculine | Feminine |
|---|---|---|
| Gruszka | ||
| Hruška | Hrušková | |
| Russian (Romanization) | Russian: Грушка (Grushka) | |
| Ukrainian (Romanization) | Ukrainian: Грушка (Hrushka, Grushka) |