Family name Jasny (Jasny 
, יאסני 
) , throughout the world, is a rare surname. The last name Jasny is characteristic of Czechia, where it is a rare surname, Poland, and Germany. Measured by absolute frequency, this name is the most popular in Poland, Germany, and Indonesia. Also, Jasny is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jasny | Germany, Czechia, Poland, Indonesia, Democratic Republic of the Congo |
| יאסני | Israel |
| abraham wolf jasny PL (b. 1893) |
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| jan jasny Polish engineer, PL (b. 1932) |
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| stanislav jasny chess player (b. 1978) |
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| lorien jasny researcher, ORCID id # 0000-0002-9014-4838 |
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| thomas jasny |
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