Last name Puidak (Puidak 
, Пуйдак 
) , all over the world, is a rare cognomen. The family name Puidak is characteristic of Estonia, where it is quite a common surname, Belarus, where it is quite a rare surname, and Norway, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Belarus, Estonia, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Puidak | Estonia, Norway, United Kingdom, United States |
| Пуйдак | Belarus, Ukraine, Russia, Kazakhstan |
| karl puidak Estonian engineer, EE (b. 1901) |
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| valter puidak (b. 1898) |
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| minna puidak EE (b. 1904) |
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| ülo puidak Estonian veterinary scientist, EE (b. 1929) |
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