Cognomen Trzyna (Trzyna 
) , across the world, is a rare surname. The cognomen Trzyna is habitual in Poland, where it is quite a rare surname, France, where it is a very rare surname, and the United States. More frequently, Trzyna is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Trzyna | Germany, France, United States, United Kingdom, Poland |
| edward trzyna (b. 1923) |
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| thomas trzyna professor of English (b. 1946) |
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