Family name Grinius (Grinius 
, Гриниус 
) , around the globe, is a rare cognomen. The cognomen Grinius is characteristic of Northern Europe, particularly Lithuania, where it is quite a common surname, Norway, where it is a rare surname, and the United Kingdom, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Lithuania, the United States, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Grinius | United Kingdom, Norway, United States, Lithuania, Canada |
| Гриниус | Russia |
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kazys grinius Third President of Lithuania from 7 June 1926 until 17 December 1926, LT (b. 1866) |
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| jonas grinius (b. 1877) |
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| kazys grinius LT (b. 1899) |
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| jonas grinius LT (b. 1902) |
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| liūtas grinius Lithuanian writer (1927-1989), LT (b. 1927) |
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gediminas grinius Lithuanian ultramarathon runner, LT (b. 1979) |
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| marius grinius Canadian diplomat (b. 1949) |
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| leonas grinius (b. 1945) |
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| kęstutis grinius Lithuanian politician, LT (b. 1956) |
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| rokas grinius Lithuanian basketball player, LT (b. 1988) |
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| vytautas grinius |
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Mr, Gloria, Loreta, Justin, Edward, Valdas, Vaidas, Victor, Vytenis, Michael, Saulius, Arturas, Arvydas, Aurimas, Charles, Claudia, Karolis, Kestutis, Paulius, Povilas, Richard, Dainius, Arunas, Aldona, Steven, Monika, Leo, Tom, Aras, Adam, Gail, Lori, Matas, Bruno, Kazys, Rokas, Donatas, Gedas, Linas, Lukas, Jonas, Tomas, Nancy, Erika, Vytis, Ignas, Marius, Mantas, Leona, and Dovydas