Surname Welna (Welna 
) , in the world, is a rare cognomen. The cognomen Welna is characteristic of Poland, where it is quite a rare surname, Denmark, where it is a rare surname, and Switzerland, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Poland, the United States, and Germany. More prevalently, Welna is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Welna | Indonesia, South Africa, Philippines, United States, Poland |
| tomasz welna Polish association football player, PL (b. 1901) |
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| monika welna researcher |
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