Cognomen Grina (Grina 
) , globally, is quite a rare family name. The surname Grina is habitual in Northern Europe, particularly Latvia, where it is quite a rare surname, Norway, and Lithuania. Not in comparison with a country's population, it is the most numerous in Morocco, Afghanistan, and Algeria. Also, Grina is the forename as well as the last name.
| antanas grina (b. 1931) |
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| gediminas grina LT (b. 1965) |
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| espen grina Norwegian association football player, NO (b. 1979) |
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| donatas grina researcher (ORCID 0000-0002-2941-0463) |
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