Cognomen Grünfeldt (Grünfeldt 
) , across the world, is a very rare family name. The surname Grünfeldt is characteristic of Estonia, where it is a rare surname, Germany, where it is an extremely rare surname, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Grünfeldt | Germany, Brazil, Estonia |
| peeter grünfeldt Estonian journalist and writer, EE (b. 1865) |
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| minna grünfeldt DE (b. 1876) |
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| clara grünfeldt DE (b. 1878) |
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| emma grünfeldt DE (b. 1880) |
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| ellen grünfeldt Estonian actor (1916-2013), EE (b. 1916) |
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| alexander heinrich johann grünfeldt |
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