Cognomen Grusa (Grusa 
, Груша 
) , all over the world, is quite a rare surname. The surname Grusa is habitual in Eastern Europe, particularly Belarus, where it is quite a rare surname, Ukraine, and Russia, where it is a rare surname. Much less frequently, Grusa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Grusa | Germany, Czechia, Italy, India, Poland |
| Груша | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| lisanne grusa German association football player, DE (b. 1997) |
|
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| grusa kocica (b. 1993) |
|